Take Assessment - Module 3 Exam – CCNP: Spanning Tree (Version 5.0)

1. Which protocol extends the IEEE 802.1w Rapid Spanning Tree (RST) algorithm to multiple spanning-trees?
PVST+
PVST
IEEE 802.1q (CST)
IEEE 802.1s (MST)
2. Which two benefits are provided by MST as it is used with RSTP? (Choose two.)
load balancing
multiple spanning trees with ISL trunking
rapid router redundancy
rapid ISL convergnece
subsecond reconvergence
3. In which port role do both IEEE 802.1D (STP) and IEEE 802.1w (RSTP) designate a bridge port that is receiving a BPDU with the lowest BID, assuming that no other port receives a BPDU with the same BID?
backup port
alternate port
designated port
root port
4. What is an advantage of having multiple VLAN spanning-tree instance assignments located in different parts of the network?
makes it easier to administer and utilize redundant paths
makes it more simple to implement STP design
allows all instances to share the same designated bridge
makes it easier to separate PVST and CST spanning-trees
5. Refer to the exhibit. Which two statements about the spanning-tree operation are true? (Choose two.)
ACSW1 will become the root bridge.
DISW1 will become the root bridge.
DISW2 will become the root bridge.
ACSW1 will become the backup root bridge.
DISW1 will become the backup root bridge.
DISW2 will become the backup root bridge.
6. Refer to the exhibit. Switch A is connected to hub B via port P1. A second link is added on port P2 and configured for PortFast. Immediately after the new link came up, users could not access network resources. What caused this problem?
A Layer-2 loop was created.
Port P1 and P2 both entered the STP blocking state.
Hub B placed both uplink ports in the STP blocking state.
PAgP failed to properly negotiate the EtherChannel.
7. Refer to the exhibit. The four Cisco Catalyst switches must support several VLANs as identified in the exhibit. Which mode of STP would efficiently support this network?
RSTP
PVST
STP+
VSTP
CSTP
8. Refer to the exhibit. Interface Fa0/1 and Fa0/2 on the SW1 switch have been configured to support PAgP desirable mode. Which two modes can be configured on the interconnecting SW2 interfaces to successfully establish an EtherChannel? (Choose two.)
off
auto
on
desirable
9. What happens when a switch receives a topology change message from the root bridge?
The switch uses the forward delay timer to age out entries in the MAC address table.
The switch uses the max_age timer to age out entries in the MAC address table.
The switch uses the hello to age out entries in the MAC address table.
The switch uses the forward delay and the max_age timer to age out entries in the MAC address table.
10. Which STP timer defines the length of time spent in the listening and learning states?
hello time
forward aging
forward delay
max age
max delay
11. Refer to the exhibit. Given the output generated by the show spanning-tree mst configuration command, which two statements are true? (Choose two.)
The switch has automatically incremented the MST revision number to 11.
The MST region name was configured with the name CAMPUS1 global configuration command.
The switch requires the spanning-tree mode mst global configuration command to enable MST.
The switch was configured with the spanning-tree mst 1 root primary MST configuration command.
VLANs 1 through 10 have been configured with the instance 1 vlan 1-10 MST configuration command.
12. Which three statements regarding RSTP edge ports are true? (Choose three.)
Edge ports can have another switch connected to them as long as the link is operating in full duplex.
Edge ports function similarly to UplinkFast ports.
Edge ports immediately transition to learning mode and then forwarding mode when enabled.
Edge ports never generate topology changes notifications (TCNs) when the port transitions to a disabled or enabled status.
Edge ports should never connect to another switch.
If an edge port receives a BPDU, it becomes a normal spanning-tree port.

13. Refer to the exhibit. Which two statements regarding EtherChannels are true? (Choose two.)
The configurations could create a Link Aggregation Control Protocol (LACP) EtherChannel in a mixed switch environment.
The configurations could create a Port Aggregation Protocol (PAgP) EtherChannel between two Cisco Catalyst 3560 switches.
The configuration on switch SW1 assigns Gigabit Ethernet interfaces 0/1 and 0/2 as static-access ports in VLAN 10 to channel 5 with the LACP mode set to desirable.
The channel-group interface configuration command automatically creates the port-channel logical interface.
The configurations would not create an EtherChannel interface since the port-channel modes are not both set to auto.
14. Which two port states will immediately transition to the forwarding state when Rapid STP (RSTP) converges in a switched network? (Choose two.)
root port
designated port
alternate port
backup port
disabled port
blocking port
15. Refer to the exhibit. Switch Sw_F recently joined the network. What will happen once STP has finished its convergence?
Switch Sw_F will become the root bridge for its respective VLANs.
Switch Sw_C will remain the root bridge for its respective VLANs.
Switch Sw_D will remain the root bridge for its respective VLANs.
Switch Sw_F will become the backup root bridge for its respective VLANs.
Switch Sw_B will remain the backup root bridge for its respective VLANs.
16. Which type of BPDU is sent out of the root port when a link failure in a switched environment has occurred?
Link Change Notification
Link Detection Notification
Topology Link Notification
Topology Change Notification
17. Assuming all switches are at default priority, which of the following is true about applying this configuration command on a Catalyst 3550 switch?
3550switch(config)# spanning-tree vlan 23 root primary
guarantees that this switch will be the primary root on all VLANs
sets the switch priority for VLAN 23 to 24576
guarantees that this switch will not be the primary root on VLAN 23
sets the switch priority to 0
sets the switch priority to 23


18. Given the topology in the exhibit, which configuration will ensure the least amount of convergence time in the event of a port failure followed by recovery of the port?
On the Access1 switch, configure the Fa 0/1 interface with the spanning-tree mode portfast command.
On the Access1 switch, configure the Fa 0/2 interface with the spanning-tree portfast command.
On the Access2 switch, configure the Fa 0/1 interface with the spanning-tree mode portfast command.
On the Access2 switch, configure the Fa 0/2 interface with the spanning-tree portfast command.
On the Dist1 switch, configure the Fa 0/1 port with the spanning-tree mode portfast command.
On the Dist1 switch, configure the Fa 0/2 port with the spanning-tree portfast command.

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Take Assessment - Module 6 Exam - CCNP: BGP (Version 5.0)

1 A BGP router has two routes with the same weight, same local preferences and reachable next hops. Both routes originated from peer routers. What is the next tie-breaker in BGP route selection process?
Multi_exit_discriminator
AS_path_length
Origin
Lowest BGP metric

2 Which command would result in the router sending default route information only to the specified neighbor?
neighbor 172.16.20.1 static-path
neighbor 172.16.20.1 ip route
neighbor 172.16.20.1 default
neighbor 172.16.20.1 default-originate

3
From the given configuration taken from RTA and graphic, which network will be filtered from being propagated to RTC from RTA?
router bgp 3
no synchronization
neighbor 172.16.1.2 remote-as 3
neighbor 172.16.20.1 remote-as 1
neighbor 172.16.20.1 distribute-list 1 out
no auto-summary
access-list 1 deny 192.68.10.0 0.0.0.255
access-list 1 permit 0.0.0.0 255.255.255.255
0
172.16.1.0
0
172.16.20.0
0
0.0.0.0
1
192.68.10.0

4 Which command would force a router to inject an external route into BGP?
route-inject
router bgp network
Network
summary

5
RTB is connected to two different service providers, ISP1 and ISP2, through S0 and S1 respectively. RTB also has network 194.168.1.0 connected to E0 and network 174.16.1.0 connected to E1. The following configuration can be used to policy route traffic based on its source network as well as its destination.
RTB(config)# access-list 1 permit 194.168.1.0 0.0.0.255
RTB(config)# access-list 2 permit 174.16.1.0 0.0.0.255
RTB(config)# route-map ISP1 permit 10
RTB(config-route-map)# match ip address 1
RTB(config-route-map)# set interface serial0
RTB(config-route-map)# exit
RTB(config)# route-map ISP2 permit 20
RTB(config-route-map)# match ip address 2
RTB(config-route-map)# set interface serial1
Which commands would apply this policy to route all the 194.168.1.0 traffic to the serial0 interface?
RTB(config)# interface s1
RTB(config-if)# ip route-map ISP2
RTB(config)# interface e1
RTB(config-if)# ip route-map ISP1
RTB(config)# interface s0
RTB(config-if)# ip policy route-map ISP2
RTB(config)# interface e0
RTB(config-if)# ip policy route-map ISP1

6 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.

7
Refer to the diagram and configuration. RTA receives the prefix 192.213.0.0/16 from both providers SF and NY. Which of the route-map configurations on RTA will set up NY as a primary link and SF as a backup link?
route-map NY permit 10
match access-list 5
set local-preference 50
route-map NY permit 20
ip as-path access-list 5 permit ^$
route-map NY permit 10
match as-path 5
set local-preference 200
route-map NY permit 20
ip as-path access-list 5 permit ^300$
route-map NY permit 10
match as-path 5
set local-preference 50
ip as-path access-list 5 permit ^300$
route-map NY permit 10
match as-path 5
set local-preference 200
ip as-path access-list 5 permit ^$

8 Which three are well-known mandatory attributes? (Choose three.)

AS_PATH
NEXT_HOP
LOCAL_PREF
ORIGINATOR_ID
AGGREGATOR
ORIGIN

9 A BGP routing policy has been created using route maps. The command route-map TEST permit 10 is part of the configuration. What does the parameter 10 indicate?
It identifies the access-list number to be used by the route map statement.
It identifies the position of the route map in relation to other instances.
It indicates the local preference to be set for routes that match the route map.
It specifies the route map to be used on AS 10.
It indicates the metric to be set for routes that match the route map

10 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
largest local preference

11
Observe the above graphic. RTC is the hub router and RTA and RTB are spokes within a Frame Relay cloud that is NBMA. What must the administrator configure under the router bgp 100 command to allow RTA to communicate with RTB?
the command neighbor 10.10.10.1 next-hop-self on RTC
the command neighbor 10.10.10.2 next-hop-self on RTA
the command neighbor 10.10.10.2 remote-as 65001 on RTB
the command neighbor 10.10.10.3 remove-private-as on RTC
the command bgp default local-preference on RTA

12
Refer to the diagram. Assume RTB does not have BGP enabled and the neighbor remote-as router
configuration command is entered on RTA and RTC. Given this information, which two statements are true? (Choose two.)
RTA will establish a peer relationship with RTB because they belong to the same BGP AS.
RTA will establish a peer relationship with RTC because they have an IBGP session established.
RTA will establish a peer relationship with RTB although they do not have an IBGP session established.
RTA will establish a peer relationship with RTC although they are not directly connected.
RTA will establish a peer relationship with RTB because they are directly connected

13
17. Observe the diagram and the configuration on RTA. RTA cannot establish an EBGP session with RTC in AS 100. Which configuration command will fix the problem?
The neighbor 3.3.3.1 remote-as 100 command should be configured on RTA.
The neighbor 1.1.1.2 remote-as 100 command should be configured on RTB.
The neighbor 3.3.3.1 ebgp-multihop command should be configured on RTA.
The neighbor 1.1.1.2 ebgp-multihop command should be configured on RTA.
The neighbor 1.1.1.2 ebgp-multihop command should be configured on RTB.

14
Refer to the diagram. 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

15
Refer to the exhibit. A network administrator is troubleshooting the BGP configuration on router R2. R2 is not advertising the network connected via FastEthernet0/0 in BGP.
How can the administrator correct this problem?
Disable synchronization.
Enable autosummarization.
Remove the distance bgp command.
Remove the aggregate-address command.
Add a network command.

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Take-Assessment-Module-7-Exam-CCNPIP-Multi-Castings

Link:http://www.scribd.com/doc/11620049/Take-Assessment-Module-7-Exam-CCNPIP-Multi-Castings

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