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ROUTE Final Exam CCNP 6.0 2012 100% - Take Assessment – ROUTE Final Exam – CCNP ROUTE: Implementing Cisco IP Routing (Version 6.0) – Answers – 2011 – 2012

Thứ Sáu, 30 tháng 12, 2011

1. How do EIGRP routers establish and maintain neighbor relationships?
by exchanging neighbor tables with directly attached routers
by comparing known routes to information received in updates
by exchanging hello packets with neighboring routers
by dynamically learning new routes from neighbors
by exchanging routing tables with directly attached routers
2. The IPv6 autoconfiguration feature enables a PC to automatically connect to an IPv6 network. What type of IPv6 address allows a PC host to send a router solicitation message requesting a prefix for stateless autoconfiguration?
link local address
site local address
aggregatable global unicast address
loopback address
IPv4-compatible address
flow-label address
3. During an interview, the company IT manager mentions that the company has two critical communication links to its main supplier. These links require an uptime of 24/7. Which part of the PPDIOO process is most affected by this information?
implementation phase
design phase
routing protocol selection
prototype design plan
4.
Refer to the exhibit. The RIP routes must be injected into the OSPF domain. Which command will perform external route summarization?
RTA(config-router)# summary-address 172.20.0.0 255.255.0.0
RTB(config-router)# summary-address 192.168.16.0 255.255.252.0
RTB(config-router)# area 1 range 192.168.16.0 255.255.252.0
RTA(config-router)# area 1 range 172.20.0.0 255.255.0.0
5.
Refer to the exhibit.
access-list 111 permit ip 10.0.0.0 0.255.255.255 any
route-map net-10 permit 10
match ip address 111
set interface FastEthernet 0/1
Where would the system administrator apply the above configuration to establish policy-based routing that directs packets from the 10.0.0.0/8 network through the R2 router to the Internet?
RTA interface Fa 0/0
RTA interface Fa 0/1
RTB interface Fa 0/1
RTB interface Fa 1/0
R2 interface Fa 0/0
R2 interface Fa 0/1
6. How does OSPF exchange routing updates when the passive-interface command is applied?
OSPF forms neighbor adjacencies on that interface.
The OSPF interface enters an active state.
OSPF stops sending routing updates out that interface.
OSPF only receives routing updates on that interface.
OSPF neither sends nor receives routing updates through that interface.
7. Which functional component of the Cisco Enterprise Architecture is responsible for hosting internal servers?
enterprise campus
enterprise edge
service provider edge
building distribution
8.
Refer to the exhibit. A network administrator has configured EIGRP authentication between routers R1 and R2. After the routing tables are reviewed, it is noted that neither router is receiving EIGRP updates. What is a possible cause for this failure?
The same key chain name must be used on each router.
The same number of key strings must be used on each router.
The key string should be used in interface mode instead of the key chain.
The same autonomous system numbers must be used in the interface configurations of each router.
The authentication configuration is correct, but the show ip eigrp neighbors command should be issued to troubleshoot the issue.
9.
Refer to the exhibit. A GRE tunnel must be configured between routers RTA and RTB. Assume that router RTB has been correctly configured. Which command would correctly configure router RTA to encrypt traffic that is destined for router RTB?
access-list 101 permit gre 172.16.1.0 0.0.0.255 172.16.3.0 0.0.0.255
access-list 101 permit gre host 172.16.1.1 host 172.16.3.1
access-list 101 permit ip 172.16.1.0 0.0.0.255 172.16.3.0 0.0.0.255
access-list 101 permit ip host 172.16.1.1 host 172.16.3.1
access-list 101 permit gre host 192.168.12.1 host 192.168.23.3
access-list 101 permit gre host 192.168.23.3 host 192.168.12.1
10. What does the log message %DUAL-3-SIA: Route 10.1.2.0/24 stuck in active state in IP-EIGRP 24 mean?
An EIGRP reply packet was not received from one or more neighbors within the timeframe of 180 seconds.
DUAL has detected a routing loop for the 10.1.2.0/24 network.
EIGRP neighbors on the 10.1.2.0/24 network are stuck in the DUAL active state.
EIGRP for AS 24 is not yet configured for DUAL.
11.
Refer to the exhibit. Which route redistribution statement is true?
No metric is set for OSPF routes redistributed into EIGRP.
OSPF is redistributed into EIGRP with a default metric of 1.
No seed metric is set for redistributed RIP routes into EIGRP.
RIP routes are redistributed into EIGRP with a seed metric of infinity.
Both RIP and OSPF will be redistributed into EIGRP with the same seed metric.
12. Which access technology would be the most insecure to use when interconnecting a branch site?
cable or DSL
Frame Relay
IPsec VPN
leased line
MPLS VPN
SSL
13.
Refer to the exhibit. The BGP sessions are established between all routers. RTC receives route updates for network 170.10.0.0 from autonomous system 300 with the weight attribute set to 3000. RTB learns about network 170.10.0.0 from autonomous system 200 with a weight of 2000. Which router will be used by RTA as a next hop to reach network 170.10.0.0?
RTC because of the highest weight
RTC because of the T1 link
RTC because of the longest AS_Path
RTB because of the lowest weight
RTB because of the slow 64-kb/s link
RTB because of the shortest AS_Path
14.
Refer to the exhibit. How is the OSPF default gateway entry determined for R2?
Default routes are automatically injected by OSPF into all advertisements.
A static default gateway route is defined in the configuration of R2.
The default-information originate command is applied on R1.
The ISP defines the gateway of last resort and automatically passes it to R1 and R2.
The ip default-gateway command is applied on R2.
15.
Refer to the exhibit. OSPF and OSPFv3 have been configured on routers R1 and R2. However, they can exchange routing updates for OSPF but not for OSPFv3. What additional step should be taken to remedy the problem?
Configure interface Fa0/1 on R2 with the ipv6 address 2001::/64 eui-64 command.
Configure interface Fa0/0 on R1 with ipv6 address FE80::2E0:F7FF:FE45:7403 command.
Remove the IPv4 addresses on both routers R1 and R2 in order for OSPFv3 to exchange routing updates.
Remove the global IPv6 address from Fa0/0 interface on R1 in order for OSPFv3 to use the link-local address to exchange routing updates.
16.
Refer to the exhibit. Based on the configuration in the exhibit, which statement is true?
Access list 1 specifies that packets with a destination address of 192.168.1.0 will be policy-routed.
Access list 2 specifies that packets with a source address of 172.16.1.0 will be policy-routed.
Packets that match access list 1 will be sent to the next-hop address 172.17.1.2.
Packets that match access list 2 will be denied access.
Both match statements must be true for route map ISP1 to be true.
17. When would the network administrator use the ip bandwidth-percent eigrp as-number percent command?
when there is a low bandwidth connection
when the connection is on a shared medium
when the connection is serial instead of Ethernet
when the link is always busy
18. Which two EIGRP and MPLS implementation statements are true? (Choose two.)
Two EIGRP routers must be on the same IP subnet when connecting over a Layer 2 MPLS VPN backbone.
Two EIGRP routers must be on the same IP subnet when connecting over a Layer 3 MPLS VPN backbone.
Two EIGRP routers must be on different IP subnets when connecting over a Layer 2 MPLS VPN backbone.
Two EIGRP routers must be on different IP subnets when connecting over a Layer 3 MPLS VPN backbone.
19.
Refer to the exhibit. A network administrator is troubleshooting a recent OSPF stub configuration between R3 and R4. The only routes that should appear on the routing table for R4 are intra-area routes and the default route. However, interarea routes are also appearing. What must the administrator do to fix this problem?
Issue the keyword stub on R3.
Issue the keyword no-summary on R3.
Issue the keyword nssa on R3.
Issue the keyword stub on R4.
Issue the keyword no-summary on R4.
Issue the keyword nssa on R4.
20. A network administrator must interconnect a small office/home office (SOHO) in a modern metropolitan city. Which two access technologies would be the most cost effective solutions to implement? (Choose two.)
cable
DSL
Frame Relay
leased lines
MPLS
21. Which three features are commonly supported at the distribution layer of the Cisco hierarchical network model? (Choose three.)
security policies
Power over Ethernet
switch port security
quality of service
Layer 3 functionality
end user access to network
22. On an OSPF multiaccess network, which multicast address must a non-DR router use to send an LSU packet that contains new link-state information?
224.0.0.1
224.0.0.2
224.0.0.5
224.0.0.6
224.0.0.9
23. What is the best solution for the split-horizon problem in a Frame Relay network?
disabling split horizon
using IGRP
using point-to-point subinterfaces
using floating static routes
24.
Refer to the exhibit. Which tunnel type should be configured on router R2 in order to establish connectivity between the two IPv6 islands?
automatic 6to4 tunnel
automatic ISATAP tunnel
manually configured GRE tunnel
manually configured IPv6 over IPv4
25.
Refer to the exhibit. A two-way redistribution is configured on router R2 between the EIGRP and the OSPF domains. The show ip route command output taken on R3 reveals that the network 10.10.10.16/28 is not installed in the routing table. What could the problem be?
A metric-type command is missing from the redistribution statement under OSPF routing process on R2.
A subnets command keyword is missing from the redistribution statement under the OSPF routing process on R2.
A summary-address command should be given under the OSPF routing process.
A no auto-summary command should be used under the EIGRP configuration on R2.
An area-range command should be used under the OSPF routing process.
26.
Refer to the exhibit. Routers A and B have EIGRP configured and automatic summarization has been disabled on both routers. Which two router commands should be used to summarize the attached routes, and to which interface is this command applied? (Choose two.)
ip summary-address eigrp 1 192.168.10.64 255.255.255.192
ip area-range eigrp 1 192.168.10.80 255.255.255.224
summary-address 192.168.10.80 0.0.0.31
ip summary-address eigrp 1 192.168.10.64 0.0.0.63
serial interface on router A
serial interface on router B
27.
Refer to the exhibit. Assume router R2 does not have BGP enabled. However, the neighbor remote-as router configuration command has been entered on routers R1 and R3. Based on the information that is presented, which two statements are true? (Choose two.)
R1 will establish a peer relationship with R2 because they belong to the same BGP autonomous system.
R1 will establish a peer relationship with R3 because they have an IBGP session established.
R1 will establish a peer relationship with R2 although they do not have an IBGP session established.
R1 will establish a peer relationship with R3 although they are not directly connected.
R1 will establish a peer relationship with R2 because they are directly connected.
28. Which two statements are true of policy-based routing (PBR) as a path control tool? (Choose two.)
It is applied only in the inbound direction.
It can be applied only to link-state routing protocols.
Packets that do not match any match statements will be dropped.
It provides a mechanism to mark packets with different types of service (ToS).
Configured route map entries will have default sequence number increments of 5.
29. A router has EIGRP configured as the only routing protocol. In what way does EIGRP respond if there is no feasible successor route to adestination network and the successor route fails?
It broadcasts hello packets to all routers in the network to re-establish neighbor adjacencies.
It sends queries to adjacent neighbors to find a new successor route.
It immediately sends its entire routing table to its neighbors.
It sets the metric for the failed route to zero.
30.
Refer to the exhibit. The route map LOAD_BALANCE has been applied to the FastEthernet interfaces of R1, and all interfaces are up. R1 uses two default static routes to reach the Internet via ISP1 and ISP2. Which traffic will be sent to the null 0 interface by the route map on R1?
any packets that are sourced from the Internet
packets that are not sourced from the 10.2.0.0 network
packets that are not sourced from the ISP1 or ISP2 routers
packets that are sourced from the 10.2.0.0 network and destined for the Internet
packets that are sourced from 10.0.0.0 or 10.1.0.0 networks and destined for 10.2.0.0
31. Which two statements are correct about redistribution? (Choose two.)
The default-metric router configuration command takes precedence over the metricmetric-value option in the redistribute command.
The redistribute command is issued under the routing process that will send the redistributed routes.
When redistribution is occurring into OSPF, the optional subnets keyword specifies that subnetted routes should also be redistributed.
When redistributing into EIGRP, there are five parameters that encompass the metric value, although only four parameters are used to determine the metric.
Because of safeguards such as administrative distance, routing loops that are caused by redistribution are not possible.
32. What are two effective ways to prevent the EIGRP stuck-in-active problem? (Choose two.)
Modify keepalive timers on point-to-point connections.
Manually summarize routes wherever possible.
Configure core routers with SIA-Guard.
Configure distribution routers with SIA-Guard.
Set K-values to their default.
Maintain a hierarchical network design.
33. What are two significant benefits that are provided by IPsec? (Choose two.)
authentication
encryption
automatic creation of a public network
automatic creation of a private network
encapsulation
34.
Refer to the exhibit. An administrator is troubleshooting an adjacency problem between two OSPF routers. From the debug output, what is most likely the cause of the problem?
The routers are using mismatched authentication passwords.
Router1 is using only simple password authentication.
The routers are using different MD5 key numbers.
The key types are mismatched on the routers.
The authentication methods do not match.
35.
Refer to the exhibit. Which set of features corresponds accurately to the Cisco Hierarchical Network Model as represented by the diagram?
1. distribution – high speed switching
2. core – policy-based connectivity
3. access – local and remote workgroup
1. access – policy-based connectivity
2. distribution – high speed switching
3. core – local and remote workgroup
1. core – high speed switching
2. distribution – policy-based connectivity
3. access – local and remote workgroup
1. core – policy-based connectivity
2. distribution – high speed switching
3. access – local and remote workgroup
1. access – policy-based connectivity
2. core – local and remote workgroup
3. distribution – high speed switching
1. distribution – high speed switching
2. access – local and remote workgroup
3. core – policy-based connectivity
36. What is typically deployed to support high-speed transmissions of data to SOHO cable modems?
1000BASE-TX
DSL technology
fiber to the premises (FTTP)
high speed dialup cable modems
hybrid fiber-coaxial (HFC)
37.
Refer to the exhibit. RTA cannot establish an EBGP session with RTC in autonomous system 100. Which configuration command will fix the problem?
The neighbor 3.3.3.1 remote-as 100 command should be applied on RTA.
The neighbor 1.1.1.2 remote-as 100 command should be applied on RTB.
The neighbor 3.3.3.1 ebgp-multihop command should be applied on RTA.
The neighbor 1.1.1.2 ebgp-multihop command should be applied on RTA.
The neighbor 1.1.1.2 ebgp-multihop command should be applied on RTB.
38. Which three critical functions are provided by VPNs? (Choose three.)
confidentiality of information
integrity of data
authorization of users
authentication of users
WAN management
quality of connection
39.
Refer to the exhibit. Which OSPFv3 configuration statement is true?
The router ospf cost command should be issued under router configuration mode.
The ipv6 ospf 100 area 1 interface configuration command must be entered on interface Fa0/1 of routers R1 and R2.
The router-id command must be entered under each FastEthernet interface of routers R1 and R2.
The router-id command must be entered using an IPv6 address.
40. What is a characteristic of an IBGP session type?
Neighbors may be located anywhere within multiple autonomous systems, even several hops away from each other.
A session typically occurs between routers in different autonomous systems with multiple ISPs.
It can be established between routers in the same AS even if they are not link partners.
It occurs between routers in two different autonomous systems.
41.
Refer to the exhibit. Which two commands need to be used on R1 and R2 to create a virtual link to and from area 0? (Choose two.)
R2(config-router)# area 0 virtual-link 1.1.1.1
R1(config-router)# area 0 virtual-link 2.2.2.2
R2(config-router)# area 5 virtual-link 1.1.1.1
R1(config-router)# area 5 virtual-link 2.2.2.2
R2(config-router)# area 7 virtual-link 1.1.1.1
R1(config-router)# area 7 virtual-link 2.2.2.2
42.
Refer to the exhibit. RTA, RTB, and RTC are connected through Frame Relay. RTA advertises network 180.80.0.0 to RTC with a next hop of 170.70.20.3. When RTC attempts to reach network 180.80.0.0, the routing fails. What should be configured under the BGP routing process to remedy the problem?
RTA(config-router)# neighbor 170.70.20.3 next-hop-self
RTA(config-router)# neighbor 170.70.20.1 next-hop-self
RTB(config-router)# neighbor 170.70.20.1 next-hop-self
RTA(config-router)# bgp default local-preference 200
RTA(config-router)# neighbor 170.70.20.1 weight 2000
RTA(config-router)# neighbor 170.70.20.1 send-community
43. Which two statements accurately describe the RIPng routing protocol? (Choose two.)
RIPng forwards IPv6 broadcasts.
RIPng has a limit of 15 hops.
RIPng is a link-state routing protocol.
RIPng uses poison reverse.
RIPng uses UDP port 238 for updates.
44. In the design of a network that will be based on the Cisco Enterprise Architecture, which two items would be included in the enterprise edge functional component? (Choose two.)
internal web servers
core layer routers
VPN servers
a server farm
an intrusion detection system
45.
Refer to the exhibit. Router R1 is seeing routes that are advertised by router R2, and R2 is seeing routes that are advertised by R1. Which two statements are true when using EIGRP and an L3 MPLS VPN? (Choose two.)
Router R1 has established an EIGRP neighbor relationship with router PE1.
Router R1 has established an EIGRP neighbor relationship with router PE2.
Router R1 has established an EIGRP neighbor relationship with router R2.
Router R2 has established an EIGRP neighbor relationship with router PE1.
Router R2 has established an EIGRP neighbor relationship with router PE2.
Router R2 has established an EIGRP neighbor relationship with router R1.
46.
Refer to the exhibit. After configuring the IPv6 manual tunnel, a network administrator tries to verify the configuration from R1. Which IP addresses should be included in the extended ping command in order to verify the status of the tunnel?
Target IP address: 10.1.2.2
Source address of interface: 10.1.1.1
Target IP address: 209.165.200.2
Source address of interface: 209.165.200.1
Target IP address: 2001:db8:800:1::2
Source address of interface: 2001:db8:800:1::1
Target IP address: 2001:DB8:2424:2424::2
Source address of interface: 2001:DB8:2424:2424::1
47. Multiple paths exist in the BGP table. Assuming the weights are the same, what will the next determining factor be?
lowest MED
locally originated
shortest AS_Path
lowest origin type
highest local preference
48. Which two variables must match between two OSPF routers to form a neighbor adjacency? (Choose two.)
area IDs
K-values
process IDs
router priorities
hello and dead intervals
49. When the command distribute-list 1 in serial 0/0 is used, which routing updates would be permitted?
Routing updates that are received on any interface and permitted by ACL 1.
Routing updates that are received on serial 0/0 and permitted by ACL 1.
Routing updates that are received on any interface and permitted by prefix-list 1.
Routing updates that are received on serial 0/0 and permitted by prefix-list 1.
Routing updates that are received on any interface and permitted by route-map 1.
Routing updates that are received on serial 0/0 and permitted by route-map 1.
50. Which two tasks should be conducted during the PPDIOO Prepare phase? (Choose two.)
Develop an implementation plan.
Choose vendors and technical partners.
Establish organizational requirements.
Identify financial justification for upgrade.
Compare network performance with design goals.
51.
Refer to the diagram and configuration. OSPF is configured over Frame Relay using neighbor statements under router ospf mode. Although all PVCs are active, RTB and RTC do not see all OSPF routes in their routing tables. What could be done to fix this problem? (Choose two.)
The frame-relay map statements on all routers should include the broadcast keyword.
The frame-relay map statements should be replaced by using the frame-relay interface-dlci command.
The priority value on the hub router should be set to 0.
The priority value on the spoke routers should be set to 0.
The ip ospf network non-broadcast command should be applied on each router.
52. Which statement about stateless autoconfiguration is true?
A host can autoconfigure itself by appending its MAC address to the local link prefix (64 bits).
Autoconfiguration allows devices to connect themselves to the network via IOS router DHCP services.
Autoconfiguration is well suited for devices such as servers and print servers.
During the autoconfiguration process, a router advertises the IPv6 64-bit prefix of its interface, and the host prepends this prefix to its modified EUI-64 formatted MAC address.
During the autoconfiguration process, the host sends a router advertisement, and the router replies with a router solicitation.
53.
Refer to the exhibit. R1 and R2 are unable to establish a BGP peer relationship. After a network administrator has confirmed that each router can ping the loopback interface of the other router, what can be done to fix this problem?
Add a BGP network command for 4.1.1.0/24 on both routers.
Add the BGP no synchronization command on both routers.
Add the BGP neighbor ebgp-multihop 255 command on both routers.
Add the BGP neighbor update-source serial0 command on both routers.
54. Which three statements are correct about the properties of an OSPF point-to-multipoint network type? (Choose three.)
All routers can be configured as point-to-multipoint.
An OSPF point-to-multipoint network needs more PVCs because it requires a full-mesh topology.
All of the links between the routers are in the same IP subnet.
The DR/BDR is required and must be configured manually.
Cisco point-to-multipoint nonbroadcast mode neighbors must be statically defined.
55. Which two OSPFv3 statements are true? (Choose two.)
OSPF networks are configured under router configuration mode.
The multicast address FF02::6 is used to forward packets to the OSPF DR and BDR.
The router ID is configured using using an IPv4 address.
The router-id router-id command is issued in interface configuration mode.
The router ospf priority priority command is issued under the router configuration mode.
56.
Refer to the exhibit. A GRE tunnel must be configured between routers RTA and RTB. Assume that router RTB has been correctly configured. Which set of commands would correctly configure router RTA to encrypt traffic destined for router RTB?
interface Tunnel0
tunnel source FastEthernet0
tunnel destination 172.16.3.1
interface Tunnel0
tunnel source FastEthernet0
tunnel destination 172.16.13.2
interface Tunnel0
tunnel source FastEthernet0
tunnel destination 192.168.23.3
interface Tunnel0
tunnel source Serial0
tunnel destination 172.16.3.1
interface Tunnel0
tunnel source Serial0
tunnel destination 172.16.13.2
interface Tunnel0
tunnel source Serial0
tunnel destination 192.168.23.3
57.
Refer to the exhibit. Assume all routers are running BGP sessions and both links are operational. Which procedure would ensure that AS1 routers use link 1.1.1.1 for packet transmittal to AS2?
Set RTA local preference to 50 and other AS1 router local preference to 100.
Set RTA local preference to 100 and other AS1 router local preference to 50.
Set RTB local preference to 50 and other AS2 router local preference to 100.
Set RTB local preference to 100 and other AS2 router local preference to 50.
58. What is a characteristic of ADSL?
It is designed to deliver more bandwidth downstream than upstream.
It is designed to deliver more bandwidth upstream than downstream.
The upstream rate ranges from 1.5 to 9 Mb/s.
The downstream rates ranges from 16 to 640 Kb/s.
59. Which two OSPF routing protocol characteristics can be used or modified at redistribution points to help implement a path control strategy? (Choose two.)
metric
route tag
unequal cost load balancing
NSSA translation of Type 7 LSAs to Type 5 LSAs
process ID
60. Which two networks would match the following prefix list? (Choose two.)
ip prefix-list MATCHTHIS seq 5 deny 10.1.0.0/16 ge 24 le 30
10.0.0.0/16
10.0.0.0/24
10.1.0.0/16
10.1.0.0/24
10.1.1.0/30
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ROUTE Final Exam CCNP 6.0 2012 100% - Take Assessment – ROUTE Final Exam – CCNP ROUTE: Implementing Cisco IP Routing (Version 6.0) – Answers – 2011 – 2012

Thứ Tư, 28 tháng 12, 2011

1. How do EIGRP routers establish and maintain neighbor relationships?

by exchanging neighbor tables with directly attached routers
by comparing known routes to information received in updates
by exchanging hello packets with neighboring routers
by dynamically learning new routes from neighbors
by exchanging routing tables with directly attached routers
2. The IPv6 autoconfiguration feature enables a PC to automatically connect to an IPv6 network. What type of IPv6 address allows a PC host to send a router solicitation message requesting a prefix for stateless autoconfiguration?
link local address
site local address
aggregatable global unicast address
loopback address
IPv4-compatible address
flow-label address
3. During an interview, the company IT manager mentions that the company has two critical communication links to its main supplier. These links require an uptime of 24/7. Which part of the PPDIOO process is most affected by this information?
implementation phase
design phase
routing protocol selection
prototype design plan
4.
Refer to the exhibit. The RIP routes must be injected into the OSPF domain. Which command will perform external route summarization?
RTA(config-router)# summary-address 172.20.0.0 255.255.0.0
RTB(config-router)# summary-address 192.168.16.0 255.255.252.0
RTB(config-router)# area 1 range 192.168.16.0 255.255.252.0
RTA(config-router)# area 1 range 172.20.0.0 255.255.0.0
5.
Refer to the exhibit.
access-list 111 permit ip 10.0.0.0 0.255.255.255 any
route-map net-10 permit 10
match ip address 111
set interface FastEthernet 0/1
Where would the system administrator apply the above configuration to establish policy-based routing that directs packets from the 10.0.0.0/8 network through the R2 router to the Internet?
RTA interface Fa 0/0
RTA interface Fa 0/1
RTB interface Fa 0/1
RTB interface Fa 1/0
R2 interface Fa 0/0
R2 interface Fa 0/1
6. How does OSPF exchange routing updates when the passive-interface command is applied?
OSPF forms neighbor adjacencies on that interface.
The OSPF interface enters an active state.
OSPF stops sending routing updates out that interface.
OSPF only receives routing updates on that interface.
OSPF neither sends nor receives routing updates through that interface.
7. Which functional component of the Cisco Enterprise Architecture is responsible for hosting internal servers?
enterprise campus
enterprise edge
service provider edge
building distribution
8.
Refer to the exhibit. A network administrator has configured EIGRP authentication between routers R1 and R2. After the routing tables are reviewed, it is noted that neither router is receiving EIGRP updates. What is a possible cause for this failure?
The same key chain name must be used on each router.
The same number of key strings must be used on each router.
The key string should be used in interface mode instead of the key chain.
The same autonomous system numbers must be used in the interface configurations of each router.
The authentication configuration is correct, but the show ip eigrp neighbors command should be issued to troubleshoot the issue.
9.
Refer to the exhibit. A GRE tunnel must be configured between routers RTA and RTB. Assume that router RTB has been correctly configured. Which command would correctly configure router RTA to encrypt traffic that is destined for router RTB?
access-list 101 permit gre 172.16.1.0 0.0.0.255 172.16.3.0 0.0.0.255
access-list 101 permit gre host 172.16.1.1 host 172.16.3.1
access-list 101 permit ip 172.16.1.0 0.0.0.255 172.16.3.0 0.0.0.255
access-list 101 permit ip host 172.16.1.1 host 172.16.3.1
access-list 101 permit gre host 192.168.12.1 host 192.168.23.3
access-list 101 permit gre host 192.168.23.3 host 192.168.12.1
10. What does the log message %DUAL-3-SIA: Route 10.1.2.0/24 stuck in active state in IP-EIGRP 24 mean?
An EIGRP reply packet was not received from one or more neighbors within the timeframe of 180 seconds.
DUAL has detected a routing loop for the 10.1.2.0/24 network.
EIGRP neighbors on the 10.1.2.0/24 network are stuck in the DUAL active state.
EIGRP for AS 24 is not yet configured for DUAL.
11.
Refer to the exhibit. Which route redistribution statement is true?
No metric is set for OSPF routes redistributed into EIGRP.
OSPF is redistributed into EIGRP with a default metric of 1.
No seed metric is set for redistributed RIP routes into EIGRP.
RIP routes are redistributed into EIGRP with a seed metric of infinity.
Both RIP and OSPF will be redistributed into EIGRP with the same seed metric.
12. Which access technology would be the most insecure to use when interconnecting a branch site?
cable or DSL
Frame Relay
IPsec VPN
leased line
MPLS VPN
SSL
13.
Refer to the exhibit. The BGP sessions are established between all routers. RTC receives route updates for network 170.10.0.0 from autonomous system 300 with the weight attribute set to 3000. RTB learns about network 170.10.0.0 from autonomous system 200 with a weight of 2000. Which router will be used by RTA as a next hop to reach network 170.10.0.0?
RTC because of the highest weight
RTC because of the T1 link
RTC because of the longest AS_Path
RTB because of the lowest weight
RTB because of the slow 64-kb/s link
RTB because of the shortest AS_Path
14.
Refer to the exhibit. How is the OSPF default gateway entry determined for R2?
Default routes are automatically injected by OSPF into all advertisements.
A static default gateway route is defined in the configuration of R2.
The default-information originate command is applied on R1.
The ISP defines the gateway of last resort and automatically passes it to R1 and R2.
The ip default-gateway command is applied on R2.
15.
Refer to the exhibit. OSPF and OSPFv3 have been configured on routers R1 and R2. However, they can exchange routing updates for OSPF but not for OSPFv3. What additional step should be taken to remedy the problem?
Configure interface Fa0/1 on R2 with the ipv6 address 2001::/64 eui-64 command.
Configure interface Fa0/0 on R1 with ipv6 address FE80::2E0:F7FF:FE45:7403 command.
Remove the IPv4 addresses on both routers R1 and R2 in order for OSPFv3 to exchange routing updates.
Remove the global IPv6 address from Fa0/0 interface on R1 in order for OSPFv3 to use the link-local address to exchange routing updates.
16.
Refer to the exhibit. Based on the configuration in the exhibit, which statement is true?
Access list 1 specifies that packets with a destination address of 192.168.1.0 will be policy-routed.
Access list 2 specifies that packets with a source address of 172.16.1.0 will be policy-routed.
Packets that match access list 1 will be sent to the next-hop address 172.17.1.2.
Packets that match access list 2 will be denied access.
Both match statements must be true for route map ISP1 to be true.
17. When would the network administrator use the ip bandwidth-percent eigrp as-number percent command?
when there is a low bandwidth connection
when the connection is on a shared medium
when the connection is serial instead of Ethernet
when the link is always busy
18. Which two EIGRP and MPLS implementation statements are true? (Choose two.)
Two EIGRP routers must be on the same IP subnet when connecting over a Layer 2 MPLS VPN backbone.
Two EIGRP routers must be on the same IP subnet when connecting over a Layer 3 MPLS VPN backbone.
Two EIGRP routers must be on different IP subnets when connecting over a Layer 2 MPLS VPN backbone.
Two EIGRP routers must be on different IP subnets when connecting over a Layer 3 MPLS VPN backbone.
19.
Refer to the exhibit. A network administrator is troubleshooting a recent OSPF stub configuration between R3 and R4. The only routes that should appear on the routing table for R4 are intra-area routes and the default route. However, interarea routes are also appearing. What must the administrator do to fix this problem?
Issue the keyword stub on R3.
Issue the keyword no-summary on R3.
Issue the keyword nssa on R3.
Issue the keyword stub on R4.
Issue the keyword no-summary on R4.
Issue the keyword nssa on R4.
20. A network administrator must interconnect a small office/home office (SOHO) in a modern metropolitan city. Which two access technologies would be the most cost effective solutions to implement? (Choose two.)
cable
DSL
Frame Relay
leased lines
MPLS
21. Which three features are commonly supported at the distribution layer of the Cisco hierarchical network model? (Choose three.)
security policies
Power over Ethernet
switch port security
quality of service
Layer 3 functionality
end user access to network
22. On an OSPF multiaccess network, which multicast address must a non-DR router use to send an LSU packet that contains new link-state information?
224.0.0.1
224.0.0.2
224.0.0.5
224.0.0.6
224.0.0.9
23. What is the best solution for the split-horizon problem in a Frame Relay network?
disabling split horizon
using IGRP
using point-to-point subinterfaces
using floating static routes
24.
Refer to the exhibit. Which tunnel type should be configured on router R2 in order to establish connectivity between the two IPv6 islands?
automatic 6to4 tunnel
automatic ISATAP tunnel
manually configured GRE tunnel
manually configured IPv6 over IPv4
25.
Refer to the exhibit. A two-way redistribution is configured on router R2 between the EIGRP and the OSPF domains. The show ip route command output taken on R3 reveals that the network 10.10.10.16/28 is not installed in the routing table. What could the problem be?
A metric-type command is missing from the redistribution statement under OSPF routing process on R2.
A subnets command keyword is missing from the redistribution statement under the OSPF routing process on R2.
A summary-address command should be given under the OSPF routing process.
A no auto-summary command should be used under the EIGRP configuration on R2.
An area-range command should be used under the OSPF routing process.
26.
Refer to the exhibit. Routers A and B have EIGRP configured and automatic summarization has been disabled on both routers. Which two router commands should be used to summarize the attached routes, and to which interface is this command applied? (Choose two.)
ip summary-address eigrp 1 192.168.10.64 255.255.255.192
ip area-range eigrp 1 192.168.10.80 255.255.255.224
summary-address 192.168.10.80 0.0.0.31
ip summary-address eigrp 1 192.168.10.64 0.0.0.63
serial interface on router A
serial interface on router B
27.
Refer to the exhibit. Assume router R2 does not have BGP enabled. However, the neighbor remote-as router configuration command has been entered on routers R1 and R3. Based on the information that is presented, which two statements are true? (Choose two.)
R1 will establish a peer relationship with R2 because they belong to the same BGP autonomous system.
R1 will establish a peer relationship with R3 because they have an IBGP session established.
R1 will establish a peer relationship with R2 although they do not have an IBGP session established.
R1 will establish a peer relationship with R3 although they are not directly connected.
R1 will establish a peer relationship with R2 because they are directly connected.
28. Which two statements are true of policy-based routing (PBR) as a path control tool? (Choose two.)
It is applied only in the inbound direction.
It can be applied only to link-state routing protocols.
Packets that do not match any match statements will be dropped.
It provides a mechanism to mark packets with different types of service (ToS).
Configured route map entries will have default sequence number increments of 5.
29. A router has EIGRP configured as the only routing protocol. In what way does EIGRP respond if there is no feasible successor route to adestination network and the successor route fails?
It broadcasts hello packets to all routers in the network to re-establish neighbor adjacencies.
It sends queries to adjacent neighbors to find a new successor route.
It immediately sends its entire routing table to its neighbors.
It sets the metric for the failed route to zero.
30.
Refer to the exhibit. The route map LOAD_BALANCE has been applied to the FastEthernet interfaces of R1, and all interfaces are up. R1 uses two default static routes to reach the Internet via ISP1 and ISP2. Which traffic will be sent to the null 0 interface by the route map on R1?
any packets that are sourced from the Internet
packets that are not sourced from the 10.2.0.0 network
packets that are not sourced from the ISP1 or ISP2 routers
packets that are sourced from the 10.2.0.0 network and destined for the Internet
packets that are sourced from 10.0.0.0 or 10.1.0.0 networks and destined for 10.2.0.0
31. Which two statements are correct about redistribution? (Choose two.)
The default-metric router configuration command takes precedence over the metricmetric-value option in the redistribute command.
The redistribute command is issued under the routing process that will send the redistributed routes.
When redistribution is occurring into OSPF, the optional subnets keyword specifies that subnetted routes should also be redistributed.
When redistributing into EIGRP, there are five parameters that encompass the metric value, although only four parameters are used to determine the metric.
Because of safeguards such as administrative distance, routing loops that are caused by redistribution are not possible.
32. What are two effective ways to prevent the EIGRP stuck-in-active problem? (Choose two.)
Modify keepalive timers on point-to-point connections.
Manually summarize routes wherever possible.
Configure core routers with SIA-Guard.
Configure distribution routers with SIA-Guard.
Set K-values to their default.
Maintain a hierarchical network design.
33. What are two significant benefits that are provided by IPsec? (Choose two.)
authentication
encryption
automatic creation of a public network
automatic creation of a private network
encapsulation
34.
Refer to the exhibit. An administrator is troubleshooting an adjacency problem between two OSPF routers. From the debug output, what is most likely the cause of the problem?
The routers are using mismatched authentication passwords.
Router1 is using only simple password authentication.
The routers are using different MD5 key numbers.
The key types are mismatched on the routers.
The authentication methods do not match.
35.
Refer to the exhibit. Which set of features corresponds accurately to the Cisco Hierarchical Network Model as represented by the diagram?
1. distribution – high speed switching
2. core – policy-based connectivity
3. access – local and remote workgroup
1. access – policy-based connectivity
2. distribution – high speed switching
3. core – local and remote workgroup
1. core – high speed switching
2. distribution – policy-based connectivity
3. access – local and remote workgroup
1. core – policy-based connectivity
2. distribution – high speed switching
3. access – local and remote workgroup
1. access – policy-based connectivity
2. core – local and remote workgroup
3. distribution – high speed switching
1. distribution – high speed switching
2. access – local and remote workgroup
3. core – policy-based connectivity
36. What is typically deployed to support high-speed transmissions of data to SOHO cable modems?
1000BASE-TX
DSL technology
fiber to the premises (FTTP)
high speed dialup cable modems
hybrid fiber-coaxial (HFC)
37.
Refer to the exhibit. RTA cannot establish an EBGP session with RTC in autonomous system 100. Which configuration command will fix the problem?
The neighbor 3.3.3.1 remote-as 100 command should be applied on RTA.
The neighbor 1.1.1.2 remote-as 100 command should be applied on RTB.
The neighbor 3.3.3.1 ebgp-multihop command should be applied on RTA.
The neighbor 1.1.1.2 ebgp-multihop command should be applied on RTA.
The neighbor 1.1.1.2 ebgp-multihop command should be applied on RTB.
38. Which three critical functions are provided by VPNs? (Choose three.)
confidentiality of information
integrity of data
authorization of users
authentication of users
WAN management
quality of connection
39.
Refer to the exhibit. Which OSPFv3 configuration statement is true?
The router ospf cost command should be issued under router configuration mode.
The ipv6 ospf 100 area 1 interface configuration command must be entered on interface Fa0/1 of routers R1 and R2.
The router-id command must be entered under each FastEthernet interface of routers R1 and R2.
The router-id command must be entered using an IPv6 address.
40. What is a characteristic of an IBGP session type?
Neighbors may be located anywhere within multiple autonomous systems, even several hops away from each other.
A session typically occurs between routers in different autonomous systems with multiple ISPs.
It can be established between routers in the same AS even if they are not link partners.
It occurs between routers in two different autonomous systems.
41.
Refer to the exhibit. Which two commands need to be used on R1 and R2 to create a virtual link to and from area 0? (Choose two.)
R2(config-router)# area 0 virtual-link 1.1.1.1
R1(config-router)# area 0 virtual-link 2.2.2.2
R2(config-router)# area 5 virtual-link 1.1.1.1
R1(config-router)# area 5 virtual-link 2.2.2.2
R2(config-router)# area 7 virtual-link 1.1.1.1
R1(config-router)# area 7 virtual-link 2.2.2.2
42.
Refer to the exhibit. RTA, RTB, and RTC are connected through Frame Relay. RTA advertises network 180.80.0.0 to RTC with a next hop of 170.70.20.3. When RTC attempts to reach network 180.80.0.0, the routing fails. What should be configured under the BGP routing process to remedy the problem?
RTA(config-router)# neighbor 170.70.20.3 next-hop-self
RTA(config-router)# neighbor 170.70.20.1 next-hop-self
RTB(config-router)# neighbor 170.70.20.1 next-hop-self
RTA(config-router)# bgp default local-preference 200
RTA(config-router)# neighbor 170.70.20.1 weight 2000
RTA(config-router)# neighbor 170.70.20.1 send-community
43. Which two statements accurately describe the RIPng routing protocol? (Choose two.)
RIPng forwards IPv6 broadcasts.
RIPng has a limit of 15 hops.
RIPng is a link-state routing protocol.
RIPng uses poison reverse.
RIPng uses UDP port 238 for updates.
44. In the design of a network that will be based on the Cisco Enterprise Architecture, which two items would be included in the enterprise edge functional component? (Choose two.)
internal web servers
core layer routers
VPN servers
a server farm
an intrusion detection system
45.
Refer to the exhibit. Router R1 is seeing routes that are advertised by router R2, and R2 is seeing routes that are advertised by R1. Which two statements are true when using EIGRP and an L3 MPLS VPN? (Choose two.)
Router R1 has established an EIGRP neighbor relationship with router PE1.
Router R1 has established an EIGRP neighbor relationship with router PE2.
Router R1 has established an EIGRP neighbor relationship with router R2.
Router R2 has established an EIGRP neighbor relationship with router PE1.
Router R2 has established an EIGRP neighbor relationship with router PE2.
Router R2 has established an EIGRP neighbor relationship with router R1.
46.
Refer to the exhibit. After configuring the IPv6 manual tunnel, a network administrator tries to verify the configuration from R1. Which IP addresses should be included in the extended ping command in order to verify the status of the tunnel?
Target IP address: 10.1.2.2
Source address of interface: 10.1.1.1
Target IP address: 209.165.200.2
Source address of interface: 209.165.200.1
Target IP address: 2001:db8:800:1::2
Source address of interface: 2001:db8:800:1::1
Target IP address: 2001:DB8:2424:2424::2
Source address of interface: 2001:DB8:2424:2424::1
47. Multiple paths exist in the BGP table. Assuming the weights are the same, what will the next determining factor be?
lowest MED
locally originated
shortest AS_Path
lowest origin type
highest local preference
48. Which two variables must match between two OSPF routers to form a neighbor adjacency? (Choose two.)
area IDs
K-values
process IDs
router priorities
hello and dead intervals
49. When the command distribute-list 1 in serial 0/0 is used, which routing updates would be permitted?
Routing updates that are received on any interface and permitted by ACL 1.
Routing updates that are received on serial 0/0 and permitted by ACL 1.
Routing updates that are received on any interface and permitted by prefix-list 1.
Routing updates that are received on serial 0/0 and permitted by prefix-list 1.
Routing updates that are received on any interface and permitted by route-map 1.
Routing updates that are received on serial 0/0 and permitted by route-map 1.
50. Which two tasks should be conducted during the PPDIOO Prepare phase? (Choose two.)
Develop an implementation plan.
Choose vendors and technical partners.
Establish organizational requirements.
Identify financial justification for upgrade.
Compare network performance with design goals.
51.
Refer to the diagram and configuration. OSPF is configured over Frame Relay using neighbor statements under router ospf mode. Although all PVCs are active, RTB and RTC do not see all OSPF routes in their routing tables. What could be done to fix this problem? (Choose two.)
The frame-relay map statements on all routers should include the broadcast keyword.
The frame-relay map statements should be replaced by using the frame-relay interface-dlci command.
The priority value on the hub router should be set to 0.
The priority value on the spoke routers should be set to 0.
The ip ospf network non-broadcast command should be applied on each router.
52. Which statement about stateless autoconfiguration is true?
A host can autoconfigure itself by appending its MAC address to the local link prefix (64 bits).
Autoconfiguration allows devices to connect themselves to the network via IOS router DHCP services.
Autoconfiguration is well suited for devices such as servers and print servers.
During the autoconfiguration process, a router advertises the IPv6 64-bit prefix of its interface, and the host prepends this prefix to its modified EUI-64 formatted MAC address.
During the autoconfiguration process, the host sends a router advertisement, and the router replies with a router solicitation.
53.
Refer to the exhibit. R1 and R2 are unable to establish a BGP peer relationship. After a network administrator has confirmed that each router can ping the loopback interface of the other router, what can be done to fix this problem?
Add a BGP network command for 4.1.1.0/24 on both routers.
Add the BGP no synchronization command on both routers.
Add the BGP neighbor ebgp-multihop 255 command on both routers.
Add the BGP neighbor update-source serial0 command on both routers.
54. Which three statements are correct about the properties of an OSPF point-to-multipoint network type? (Choose three.)
All routers can be configured as point-to-multipoint.
An OSPF point-to-multipoint network needs more PVCs because it requires a full-mesh topology.
All of the links between the routers are in the same IP subnet.
The DR/BDR is required and must be configured manually.
Cisco point-to-multipoint nonbroadcast mode neighbors must be statically defined.
55. Which two OSPFv3 statements are true? (Choose two.)
OSPF networks are configured under router configuration mode.
The multicast address FF02::6 is used to forward packets to the OSPF DR and BDR.
The router ID is configured using using an IPv4 address.
The router-id router-id command is issued in interface configuration mode.
The router ospf priority priority command is issued under the router configuration mode.
56.
Refer to the exhibit. A GRE tunnel must be configured between routers RTA and RTB. Assume that router RTB has been correctly configured. Which set of commands would correctly configure router RTA to encrypt traffic destined for router RTB?
interface Tunnel0
tunnel source FastEthernet0
tunnel destination 172.16.3.1
interface Tunnel0
tunnel source FastEthernet0
tunnel destination 172.16.13.2
interface Tunnel0
tunnel source FastEthernet0
tunnel destination 192.168.23.3
interface Tunnel0
tunnel source Serial0
tunnel destination 172.16.3.1
interface Tunnel0
tunnel source Serial0
tunnel destination 172.16.13.2
interface Tunnel0
tunnel source Serial0
tunnel destination 192.168.23.3
57.
Refer to the exhibit. Assume all routers are running BGP sessions and both links are operational. Which procedure would ensure that AS1 routers use link 1.1.1.1 for packet transmittal to AS2?
Set RTA local preference to 50 and other AS1 router local preference to 100.
Set RTA local preference to 100 and other AS1 router local preference to 50.
Set RTB local preference to 50 and other AS2 router local preference to 100.
Set RTB local preference to 100 and other AS2 router local preference to 50.
58. What is a characteristic of ADSL?
It is designed to deliver more bandwidth downstream than upstream.
It is designed to deliver more bandwidth upstream than downstream.
The upstream rate ranges from 1.5 to 9 Mb/s.
The downstream rates ranges from 16 to 640 Kb/s.
59. Which two OSPF routing protocol characteristics can be used or modified at redistribution points to help implement a path control strategy? (Choose two.)
metric
route tag
unequal cost load balancing
NSSA translation of Type 7 LSAs to Type 5 LSAs
process ID
60. Which two networks would match the following prefix list? (Choose two.)
ip prefix-list MATCHTHIS seq 5 deny 10.1.0.0/16 ge 24 le 30
10.0.0.0/16
10.0.0.0/24
10.1.0.0/16
10.1.0.0/24
10.1.1.0/30
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Take Assessment – TSHOOT Final Exam – CCNP 100% TSHOOT: Troubleshooting and Maintaining Cisco IP Networks (Version 6.0) – Answers – 2011 – 2012

Thứ Tư, 28 tháng 12, 2011

1. Which two advantages does scheduled maintenance offer over interrupt-driven events? (Choose two.)
reduced network downtime
faster time to resolution of problems
simplified troubleshooting processes
predictable lead times for change requests
maintenance windows during regular business hours
2. RSPAN depends on which type of VLAN?
native VLAN
management VLAN
default VLAN
RSPAN VLAN
black hole VLAN
private VLAN
3.
Refer to the exhibit. What information can be deduced from the provided debug aaa accounting command output?
The user successfully gained access to the router EXEC shell.
The user attempts to gain access to a local security server were unsuccessful.
The user credentials were rejected by the default authentication method.
The user access to the services was stopped because of the improper protocol that was used for the session.
4.
Refer to the exhibit. A network administrator issues the show interfaces s0/0/0 command on a router to determine the cause for a recent decrease in device performance. Based on the output shown, what is a possible cause of the observed performance issues?
high CPU usage on the router
insufficient RAM in the router
incorrect or outdated version of the Cisco IOS
unrecognized Layer 2 encapsulation formats on the network
5. In which three situations will traffic be handed off (punted) to the CPU for processing? (Choose three.)
any traffic that is going through a GRE tunnel
any traffic that is explicitly blocked by an ACL
any traffic that is destined for any of the switch IP addresses
any traffic that is assigned to a particular VLAN that is not allowed on a trunk
any traffic that is coming to an inbound port that is in the spanning-tree blocking state
any multicast and broadcast traffic that is coming from the Spanning Tree Protocol (STP) or routing protocols
6. An administrator has just implemented two-way route redistribution between an OSPF and EIGRP domain. However, network performance between domains quickly degraded and an investigation revealed routing loops. What action could be used to solve this issue?
Change the seed metric of the routes being redistributed.
Filter the routes being redistributed between the protocols.
Redistribute all subnets in both EIGRP and OSPF domains.
Configure an additional router to be a secondary point of route redistribution.
7. What content can be found in the show ip eigrp topology network mask output?
minimum delay
cumulative cost
hop count
variance
metric weights
8.
Refer to the exhibit. BPDU guard and PortFast have been configured on all edge ports on the access switches. A junior network administrator tested a new switch in the lab and verified that the bridge ID is 32887. What would happen when the administrator plugs this switch into port Fa0/20 on ASW_1 in an attempt to extend the LAN?
Port Fa0/20 will be shut down.
Port Fa0/20 will become a root port.
Port Fa0/20 will start forwarding traffic immediately.
Port Fa0/20 will transition from blocking to forwarding state after the spanning tree convergence.
9. What is a characteristic of network maintenance?
Network maintenance typically excludes consideration of network changes.
Proper network maintenance will eliminate network downtime.
Maintaining network documentation is an important element of network maintenance.
The amount of resources expended on network maintenance is consistent across all companies.
10.
Refer to the exhibit. A network administrator is troubleshooting a connectivity issue between LAN clients on routers R1 and R3. Connectivity tests from R2 to the R1 and R3 LAN segments are successful. The administrator issues the debug ip icmp command for R1 and confirms that a routing issue exists. Based on the information that is presented in the exhibit, which configuration command would correct the problem?
R1(config)# ip route 0.0.0.0 0.0.0.0 172.16.7.1
R1(config)# ip route 172.16.6.0 255.255.255.0 172.16.7.10
R2(config)# ip route 172.16.6.0 255.255.255.0 172.16.7.9
R2(config)# ip route 0.0.0.0 0.0.0.0 172.16.7.9
R3(config)# ip route 0.0.0.0 0.0.0.0 172.16.7.9
R3(config)# ip route 172.16.6.0 255.255.255.0 172.16.7.10
11. What is the final task in a structured troubleshooting process?
gathering information
testing the hypothesis
documenting the changes
eliminating possible causes
12. Syslogs reveal malicious activity originating from an internal host that is located at IP address 10.10.10.251. From the local gateway router, the administrator successfully pings the host IP address and populates the ARP cache of the router. The administrator then issues the show ip arp 10.10.10.251 command and discovers that the MAC address of the host is 0011.9254.e2a0. What could the administrator do next to discover the physical location of the malicious host?
Issue the show mac address-table address 0011.9254.e2a0 command on various switches and follow the path to the host.
Issue the show vlan command on various switches and follow the path to the host.
Issue the traceroute 0011.9254.e2a0 command and follow the path to the host.
Issue the traceroute 10.10.10.251 command and follow the path to the host.
13. Which two pieces of information are displayed by the debug ip bgp command? (Choose two.)
BGP updates
route redistribution information
BGP related events
phases of BGP peering relationships
internal metrics of IBGP routes
14.
Refer to the exhibit. What could be concluded about the TACACS+ failure based on the exhibited command output from debug tacacsand debug aaa authentication?
The TACACS+ server is not operational.
The TACACS+ server IP address has been incorrectly configured on the router.
The TACACS+ server key of the router does not match that of the TACACS+ server.
The username and password that were supplied by the user were rejected by the TACACS+ server.
15
Refer to the exhibit. A network administrator issued the debug dhcp detail command to verify the operations of DHCP on router R2. Which statement is correct about the active DHCP processes on R2?
The DHCP server sends a DHCPOFFER message with the full set of configuration parameters to the client.
The DHCP client sends out a DHCPDISCOVER broadcast message to find its local DHCP server.
The DHCP server sends a DHCPACK message with the full set of configuration parameters to the client.
The DHCP client sends out a DHCPREQUEST broadcast message to the DHCP server to accept the offered parameters.
16. Which two benefits do the use of templates provide in the troubleshooting process? (Choose two.)
provide an effective method of maintaining network documentation
ensure that all individuals carry out similar tasks in a consistent manner
document the solution to specific problems eliminating the requirement for troubleshooting
allow each technician to select the best troubleshooting process to use for a particular problem
ensure that the problem is located and corrected regardless of the knowledge level of the technician
17. Which VTP mode is configured on a switch in the implementation of private VLANs?
client
server
transparent
client or server
client or transparent
transparent or server
18. A network administrator notices frames are received on a different port than expected on a switch. What are two plausible causes of the problem? (Choose two.)
a routing error
an access list error
duplicate MAC addresses
VLAN trunk misconfiguration
a Spanning Tree Protocol related issue
19. What are the three private VLAN (PVLAN) port types? (Choose three.)
community
edge
isolated
point-to-point
promiscuous
protected
20.
Refer to the exhibit. Based on the information that is provided, which two NetFlow statements are correct? (Choose two.)
All NetFlow packets sent from R1 to the traffic collector will be sourced from IP address 1.1.1.1.
Interfaces Fa0/0 and Fa0/1 must also be included as flow-export source interfaces.
NetFlow version 5 should be configured if the infrastructure includes non-Cisco devices.
NetFlow will track all ingress traffic for interfaces Fa0/0 and Fa0/1.
NetFlow will forward the traffic statistics and packet payload content of interfaces Fa0/0 and Fa0/1 to IP address 10.10.10.1.
The UDP value 9996 is optional because it is the default NetFlow destination port number.
21.
Refer to the exhibit. A network administrator is troubleshooting a NAT translation issue on router R2. The IP addresses of hosts on the R2 LAN are not being translated by R2. Based on the information in the exhibit, what is the issue?
The NAT pool is exhausted.
The static translation prevents any new dynamic translations.
The ACL is using a wrong pool reference.
The R2 LAN is not configured as an inside interface.
22.
Refer to the exhibit. An administrator has configured VRRP on routers R1 and R2. However, no output is generated using the show vrrp brief command on router R1. The administrator then verifies the VRRP interface and key chain configurations. Based on the output in the exhibit, what is the cause of the problem?
Interface FastEthernet 0/0 on router R1 requires the vrrp 1 ip 10.1.1.254 command to be issued.
Interface FastEthernet 0/0 on router R1 requires the vrrp 1 preempt command to be issued.
Interface FastEthernet 0/0 on router R1 requires the vrrp 1 priority 100 command to be issued.
Router R1 is configured to use text authentication, while R2 is configured to use MD5 authentication.
Router R1 should be configured to use text authentication.
23.
Refer to the exhibit. A network administrator is investigating a possible network congestion problem. Which information is indicative of network congestion?
The EIGRP neighbor has not sent any hello packets in the last 14 seconds.
The EIGRP neighbor is redistributing routes from OSPF with invalid seed metrics.
The EIGRP neighbor is offline and unreachable.
The Q Cnt field should be at zero.
The Seq Num field should be much higher.
The values of the SRTT and RTO fields should be much lower.
24. Which DHCP message is sent by the server to the client and contains the DHCP configuration parameters?
DHCP DISCOVER
DHCP OFFER
DHCP REQUEST
DHCP ACK
DHCP NAK
DHCP INFORM
25. Which statement is true based on the show ip ospf neighbor command output that is shown in the exhibit?
RTB did not see its router ID in the hello packet that was received from RTA.
RTB did not receive a hello packet from RTA.
RTB is able to exchange routing updates with RTA.
RTB has established an adjacency with RTA.
26.
Refer to the exhibit. A network administrator is troubleshooting a connectivity issue between R1 and R2. The routers are failing to create a neighbor relationship and no OSPF HELLO packets are traversing the Frame Relay link. Based on the output, what does the administrator need to do on R1 to correct the issue?
Map the DLCI to the link local address of R2.
Change the OSPF neighbor to point to the global unicast address of R2.
Change the IPv6 address on Serial 0/0/0 to be in the same segment as the Serial 0/0/0 interface of R2.
Remove the broadcast keyword from the frame-relay map statement.
27.
Refer to the exhibit. You have been asked to troubleshoot a connectivity issue between R3 and R1. From the partial output of theshow running-config command on both routers, what configuration change is required?
A static route should be added to R3 to point to the 192.168.1.0/24 network.
A static route should be added to R1 to point to the 192.168.1.0/24 network.
The tunnel source for Tunnel0 on R3 should be the IP address of Serial0/0/1 on R1.
The tunnel source for Tunnel0 on R1 should be the IP address of Loopback0 on R3.
The tunnel destination for Tunnel0 on R1 should be the IP address of Serial0/0/1 on R3.
The tunnel destination for Tunnel0 on R3 should be the IP address of Loopback0 on R1.
28. Which type of spanning tree failure is the most disruptive?
The STP reaches its maximum diameter.
Ports that should be blocked start forwarding.
The TTL field in the Ethernet frames decrements to 0 on all frames.
Frames with matching entries in the MAC address table are not forwarded.
29.
Refer to the exhibit. Wireless network users are complaining about performance issues, especially when using Voice over WLAN. Based on the output that is shown, what could be the problem?
QoS is not supported in Lightweight mode.
The trunk between R1 and SW1 does not support QoS.
SW1 is resetting the DSCP values supplied by the Lightweight AP.
The Wireless LAN Controller has not been configured to support voice traffic.
QoS has not been enabled between the Lightweight AP and the Wireless LAN Controller.
30. Which backup mechanism presents the highest security risk?
FTP
HTTPS
SCP
TFTP
31. An administrator notices that CDP is disabled on a port that connects to an IP phone. What effect will this have?
The phone will experience intermittent connectivity.
The phone will be placed into the default VLAN.
The phone will not be able to discover auxiliary VLAN information, QoS settings, or automatically negotiate power settings.
The phone will be able to make calls but will not be able to receive calls.
32. Which two conditions could cause two routers to have trouble establishing a neighbor relationship in an OSPF network? (Choose two.)
The interfaces have different network types.
Hello packets are not sent from either neighbor.
One of the routers is redistributing the OSPF routes into EIGRP.
Slow network connections cause OSPF advertisements to time out.
The network command has put the connected interfaces into the same OSPF area.
33.
Refer to the exhibit. A port channel link between a branch site and the main site experiences an outage after a hardware upgrade at the branch site. The network administrator at the main site checks the log and sees a “%SPANTREE-2-CHNL_MISCFG” message. What is a likely cause of this message?
The branch site has been configured for the Spanning Tree Protocol, but the main site has not.
The main site has been configured to bundle links into an EtherChannel and the branch site has not.
The branch site is running a newer, incompatible version of the Spanning Tree Protocol.
The main site has inconsistencies in the physical ports that are members of the channel.
34.
Refer to the exhibit. Based on the output of the debug ip nat command in the exhibit, which two statements are true? (Choose two.)
Packets were not translated for the return path from source 192.168.1.95.
Packets that are destined for 172.31.2.132 from source 192.168.1.95 are translated into 172.31.233.209.
Entries that are indicated with NAT* have been translated via the fast path.
The IP address 172.31.233.209 is the configured IP address on the remote PC.
Entries with NAT* have the ToS value 5.
35. When configuring private VLANs, how many isolated VLANs can be mapped to a primary VLAN?
0
1
2
4
platform dependent
36. Which switch error is indicative of a duplex mismatch on the full-duplex side of a link?
Xmit-Err
Rcv-Err
FCS-Err
Giants
37. Refer to the exhibit. Users are complaining that they are unable to access the web server that is located at 172.16.1.101. Based on the partial syslog output that is exhibited, what is causing this problem?
The web server is denying the client request.
There is no logical path from the client to the web server location.
A Java applet reset option is configured on the zone-based policy firewall.
The zone-based policy firewall has been configured to block all HTTP traffic to the server location.
The classic IOS firewall has not been properly configured to allow HTTP traffic in response to an internal request.
38. Which action occurs immediately following POST in the boot process of a Cisco IP phone?
The IP phone sends DHCP broadcasts.
The IP phone initializes the IP stack.
The IP phone uses CDP to learn the voice VLAN.
The IP phone requests a configuration file from a TFTP server.
39. What occurs when the no service password-recovery command is entered on the router?
Passwords will not be encrypted.
Executive passwords can be retrieved and viewed in the running configuration.
Executive passwords can be changed in ROMMON mode.
The original configuration and passwords cannot be retrieved.
All passwords are encrypted to level 7.
40. Which anti-spoofing mechanism will filter packets that enter a multilayer switch through an interface that does not provide the best path back to the source of the packet?
spanning tree
private VLAN
intrusion prevention
VLAN access control lists
Unicast Reverse Path Forwarding
41. Which DSCP value should be applied to voice traffic?
AF11
AF31
CS1
EF
42. Which command would a network administrator use to verify which VLANs are allowed on a trunk?
show vlan
show interfaces trunk
show vlan interface
show mac address-table
43.
Refer to the exhibit. An administrator is troubleshooting an HSRP implementation on routers R1 and R2. Based on the output in the exhibit, what is the probable cause of the problem?
Router R1 requires the standby 1 ip 10.1.1.254 command to be issued on interface FastEthernet 0/0.
Router R2 requires the standby 1 ip 10.1.1.254 command to be issued on interface FastEthernet 0/0.
Router R1 is configured to support MD5 authentication while router R2 is configured to support text authentication.
Router R1 is configured to support text authentication while router R2 is configured to support MD5 authentication.
Routers R1 and R2 have different MD5 authentication strings configured.
Routers R1 and R2 have different text authentication strings configured.
44. What are two problems that can occur when routes are redistributed in two directions? (Choose two.)
suboptimal routing
routing loops
lost seed metrics
route filtering
lost external routes
45.
Refer to the exhibit. Which two FTP-related statements are true? (Choose two.)
The Configuration Rollback feature was preconfigured on router R1 via the archive command.
The configuration was copied using a method that is less secure than HTTPS.
The ip ftp username and ip ftp password commands were issued on router R1.
The login credentials were sent to the FTP server in an encrypted format.
The R1-test.cfg configuration was successfully copied from the FTP server to the running configuration file of router R1.
The R1-test.cfg configuration was successfully copied from the FTP server to the startup configuration file of router R1.
46.
Refer to the exhibit. Users are complaining that they are unable to connect to resources outside of their corporate network during peak hours. What action should the administrator take to correct this problem?
Remove the ACL because it is blocking connections.
Change the FastEthernet 0/1 interface to an inside NAT interface.
Disable CEF because it is sending packets to the CPU for processing.
Disable static NAT because it is interfering with the dynamic translations.
Increase the size of the NAT pool to provide more IP addresses for translation.
47.
Refer to the exhibit. A network administrator is trying to secure the remote administration of the router by enabling the use of the SSH protocol. Which changes should be made on the partial configuration as shown in the graphic?
The enable password must be encrypted.
The commands listed under the VTY line should be listed under the Console line.
The transport input telnet command should be changed to transport input ssh.
The transport input telnet command should be changed to transport input none.
48. Users at a branch office are complaining that they are unable to connect to resources at the head office. The network administrator issues the show ip route command and verifies that the correct next hop IP address and egress interface are listed. What should the administrator do next?
Verify that CEF is running on the router.
Verify the Layer 3 to Layer 2 mappings.
Verify end-to-end connectivity via the use of the ping command.
Verify that the information in the CEF FIB is correct.
Verify that the interface is active and participating in the routing process.
49.
Refer to the exhibit. In a converged spanning tree, how many blocked ports will there be in VLAN 1 for the pictured topology?
1
2
3
4
50.
Refer to the exhibit. Users are complaining that they are receiving duplicate address error messages when they start their machines. What should the administrator do to correct this problem?
Change the address assigned to the default router and dns server.
Decrease the DHCP lease time to make more addresses available at one time.
Change the netmask to 255.0.0.0 to agree with the class A network that is used in the DHCP pool.
Use the ip dhcp excluded-address command to exclude any statically assigned addresses from the DHCP pool.
51. What is a characteristic of network maintenance toolkits?
are vendor specific
may be both GUI and CLI
require expensive investments
support only real-time monitoring
52. What can be inferred from the fact that a switch is receiving BPDUs on a port but not transmitting BPDUs?
The port is a designated port.
The port is a root port.
The port is disabled.
The port is in listening state.
53. A newly configured switch is connected to an existing network. The instant the trunk link is brought up to the rest of the network, the entire network goes down. What could have caused this problem?
The switch was inserted into the network using an incorrect VTP domain name.
The VTP password entered on the new switch did not match that of the existing VTP domain.
The switch should have been placed into VTP Transparent Mode prior to being inserted into the network.
The configuration revision number of the inserted switch was higher than the configuration revision of the VTP domain.
The configuration revision number of the inserted switch was lower than the configuration revision of the VTP domain.
54.
Refer to the exhibit. A network engineer is investigating a reported issue of Computer1 not receiving its IP configuration from the DHCP server. Computer2 is receiving its configuration from the DHCP server. What is a plausible reason for this issue?
An ACL is blocking broadcasts into the F0/0 interface of router North .
The DHCP server does not have a DHCP pool for 192.168.0.0 /24 network.
The WAN segment between routers East and North should be replaced with a LAN.
The S0/0/0 interface of router East should be configured to provide DHCP relay.
55.
Refer to the exhibit. Based on the output that is generated, which two statements are true? (Choose two.)
The archive path is the only mandatory archive parameter that must be configured.
Every time the running configuration file is saved to NVRAM, it will also be automatically archived.
The $h and $t parameters will automatically add the device hostname and version number to the archive filename.
Use the archive config privileged EXEC mode command to replace the running configuration file with the most recent archived file.
The time-period parameter must be configured to enable the automatic archiving of the running-configuration file everytime it is saved to NVRAM.
56. What are two limitations of using buffered logging? (Choose two.)
Only high severity messages can be captured.
Messages are lost when there is a connectivity issue.
Log messages are removed when a device is powered down.
Message services may have messages filtered through a firewall.
Oldest messages are overwritten when allocated memory is exceeded.
57.
Refer to the exhibit. You have been asked to correct the configuration on R1 so that the Tunnel 0 interface does not flap and R3 can be consistently reached from R1. What command would you issue on R1 to accomplish this?
ip route 10.3.3.3 255.255.255.255 Tunnel0
ip route 10.3.3.3 255.255.255.255 Serial0/0/0
ip route 172.16.25.3 255.255.255.0 Serial0/0/0
ip route 172.16.25.0 255.255.255.0 Serial0/0/0
ip route 172.16.25.3 255.255.255.255 Tunnel0
ip route 172.16.15.2 255.255.255.255 Tunnel0
58. What type of BGP message precedes the successful formation of a BGP peering session?
update
keepalive
established
withdraw
open
59.
Refer to the exhibit. A network administrator is unable to have two BGP peers exchange routing information. Which solution would correct this problem?
Change the neighbor peer IP addresses on R1 and R2 to the loopback interface IP address of the other router.
Change the neighborx.x.x.xupdate-source command on R1 and R2 to refer to the FastEthernet interfaces.
Enter the neighborx.x.x.xebgp-multihop 1 command on R1 and R2.
Remove the loopback interfaces on each router.
60.
Refer to the exhibit. Based on the partial configuration that is shown, which traffic will be inspected by the zone-based policy firewall?
all TCP traffic that is destined for the public network
all TCP traffic that is destined for the private network
Telnet, SMTP, and HTTP traffic that is destined for the public network
Telnet, SMTP, and HTTP traffic that is destined for the private network
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