CCNA 2 v5.0 Routing Protocols Chapter 2

CCNA 2 v5.0 Routing Protocols Chapter 2

1
The output of the show ip route command contains the following entry:

S 10.2.0.0 [1/0] via 172.16.2.2.
What value is indicated by the 1 in the [1/0] portion of the output?

administrative distance*
number of hops
metric
interface ID through which the network can be reached

2
Refer to the graphic. Which command would be used on router A to configure a static route to direct traffic from LAN A that is destined for LAN C?

A(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
A(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2*
A(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
A(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
A(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0

3
Refer to the exhibit. What two commands will change the next-hop address for the 10.0.0.0/8 network from 172.16.40.2 to 192.168.1.2? (Choose two.)

A(config)# no ip route 10.0.0.0 255.0.0.0 172.16.40.2*
A(config)# no ip address 10.0.0.1 255.0.0.0 172.16.40.2
A(config)# ip route 10.0.0.0 255.0.0.0 192.168.1.2*
A(config)# no network 10.0.0.0 255.0.0.0 172.16.40.2
A(config)# ip route 10.0.0.0 255.0.0.0 s0/0/0

4
What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?

generic route
dynamic route
destination route
default route*

5
Open the PT activity. Perform the tasks in the activity instructions and then answer the question. What is the name of the web server that is displayed in the webpage?

Main-Webserver
WWW-Server
Webserver10*
MNSRV

6
What is a valid summary route for IPv6 networks 2001:0DB8:ACAD:4::/64, 2001:0DB8:ACAD:5::/64, 2001:0DB8:ACAD:6::/64, and 2001:0DB8:ACAD:7::/64?

2001:0DB8:ACAD:0000::/63
2001:0DB8:ACAD:0000::/64
2001:0DB8:ACAD:0004::/62*
2001:0DB8:ACAD:0004::/63

7
What would be the best summary route for the following networks?

10.50.168.0/23
10.50.170.0/23
10.50.172.0/23
10.50.174.0/24
10.50.160.0/22
10.50.164.0/23
10.50.168.0/16
10.50.168.0/21*
10.50.168.0/22
10.50.168.0/23

8
What happens to a static route entry in a routing table when the outgoing interface is not available?

The route is removed from the table.*
The route remains in the table because it was defined as static.
The router polls neighbors for a replacement route.
The router redirects the static route to compensate for the loss of the next hop device.

9
Which type of static route that is configured on a router uses only the exit interface?

recursive static route
default static route
directly connected static route*
fully specified static route

10
What does VLSM allow a network administrator to do?

utilize one dynamic routing protocol throughout the entire network
utilize one subnet mask throughout a hierarchical network
utilize multiple different subnet masks in the same IP address space*
utilize multiple routing protocols within an autonomous system
utilize one public IP address to translate multiple private addresses

11
Which two statements describe classful IP addresses? (Choose two.)

It is possible to determine which class an address belongs to by reading the first bit.
Only Class A addresses can be represented by high-order bits 100.
Up to 24 bits can make up the host portion of a Class C address.
The number of bits used to identify the hosts is fixed by the class of the network.*
All subnets in a network are the same size.*
Three of the five classes of addresses are reserved for multicasts and experimental use.

12
The network administrator configures the router with the ip route 172.16.1.0 255.255.255.0 172.16.2.2 command. How will this route appear in the routing table?

C 172.16.1.0 is directly connected, Serial0/0
S 172.16.1.0 [1/0] via 172.16.2.2*
C 172.16.1.0 [1/0] via 172.16.2.2
S 172.16.1.0 is directly connected, Serial0/0

13
Why would a floating static route be configured with an administrative distance that is higher than the administrative distance of a dynamic routing protocol that is running on the same router?

to be used as a backup route*
to load-balance the traffic
to act as a gateway of last resort
to be the priority route in the routing table

14
Refer to the exhibit. Which is the best way for PC A and PC B to successfully communicate with sites on the Internet?

Configure a static route from R1 to ISP and a dynamic route from ISP to R1.
Configure a default route from R1 to ISP and a static route from ISP to R1.*
Configure a routing protocol between R1 and ISP and advertise all the routes.
Configure a dynamic route from R1 to ISP and a static route from ISP to R1.

15
Refer to the exhibit. The network engineer for the company that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal?

ip route 0.0.0.0 0.0.0.0 s0/0/0
ip route 0.0.0.0 0.0.0.0 s0/1/0

ip route 0.0.0.0 0.0.0.0 s0/0/0
ip route 0.0.0.0 0.0.0.0 s0/1/0 10******

ip route 198.133.219.24 255.255.255.252
ip route 64.100.210.80 255.255.255.252 10

ip route 198.133.219.24 255.255.255.252
ip route 64.100.210.80 255.255.255.252

16
Refer to the exhibit. Which default static route command would allow R1 to potentially reach all unknown networks on the Internet?

R1(config)# ipv6 route 2001:db8:32::/64 G0/0
R1(config)# ipv6 route 2001:db8:32::/64 G0/1 fe80::2
R1(config)# ipv6 route ::/0 G0/1 fe80::2*
R1(config)# ipv6 route ::/0 G0/0 fe80::2

17
Refer to the exhibit. What command would be used to configure a static route on R1 so that traffic from both LANs can reach the 2001:db8:1:4::/64 remote network?

ipv6 route ::/0 serial0/0/0
ipv6 route 2001:db8:1::/65 2001:db8:1:3::1
ipv6 route 2001:db8:1:4::/64 2001:db8:1:3::2*
ipv6 route 2001:db8:1:4::/64 2001:db8:1:3::1

18
A company has several networks with the following IP address requirements:

IP phones – 50
PCs – 70
IP cameras – 10
wireless access points – 10
network printers – 10
network scanners – 2

Which block of addresses would be the minimum to accommodate all of these devices if each type of device was on its own network?

172.16.0.0/25
172.16.0.0/24*
172.16.0.0/22
172.16.0.0/23

19 Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.

What IPv6 static route can be configured on router R1 to make a fully converged network?

ipv6 route 2001:db8:10:12::/64 S0/0/0
ipv6 route 2001:db8:10:12::/64 2001:db8:10:12::1
ipv6 route 2001:db8:10:12::/64 S0/0/1*
ipv6 route 2001:db8:10:12::/64 2001:db8:32:77::1

20
What are two advantages of static routing over dynamic routing? (Choose two.)

Static routing uses fewer router resources than dynamic routing.*
Static routing scales well with expanding networks.
Static routing requires very little knowledge of the network for correct implementation.
Static routing is more secure because it does not advertise over the network.*
Static routing is relatively easy to configure for large networks.

21
Refer to the exhibit. The small company shown uses static routing. Users on the R2 LAN have reported a problem with connectivity. What is the issue?

R2 needs a static route to the Internet.
R1 and R2 must use a dynamic routing protocol.
R1 needs a default route to R2.
R1 needs a static route to the R2 LAN.*
R2 needs a static route to the R1 LANs.

22
Which three IOS troubleshooting commands can help to isolate problems with a static route? (Choose three.)

show version
ping*
show ip interface brief*
show ip route*
show arp
tracert

23
Refer to the exhibit. The network administrator needs to configure a default route on the Border router. Which command would the administrator use to configure a default route that will require the least amount of router processing when forwarding packets?

Border(config)# ip route 0.0.0.0 0.0.0.0 s0/0/0
Border(config)# ip route 0.0.0.0 0.0.0.0 198.133.219.6
Border(config)# ip route 0.0.0.0 0.0.0.0 198.133.219.5
Border(config)# ip route 0.0.0.0 0.0.0.0 s0/0/1*

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CCNA 2 v5.0 Routing Protocols Chapter 1

CCNA 2 v5.0 Routing Protocols Chapter 1

1
What address changes as a packet travels across multiple Layer 3 Ethernet hops to its final destination?

destination port
destination IP
source IP
source Layer 2 address*

2
A network administrator issues the show ipv6 route command on R1. Which two types of routes are displayed in the routing table? (Choose two.)

directly connected network*
local host route*
static route
route that is learned through the EIGRP routing protocol

3. A network administrator issues the show ip route command on R2. What two types of routes are installed in the routing table? (Choose two.)

routes that are learned through the OSPF routing protocol
a configured static route to the network 209.165.200.224
directly connected networks*
routes that are learned through the EIGRP routing protocol
a configured default route

4
Which two statements correctly describe the concepts of administrative distance and metric?

A router first installs with higher administrative distances.
The value of the administrative distance can not be altered by the network administrator.*
Routes with the smallest metric to a destination indicate the best path
The metric is always determined based on hop count.
Administrative distance refers to the trustworthiness of a particular route.*
The metric varies depending which Layer 3 protocol is being routed, such as IP.

5
A network administrator configures the interface fa0/0 on the router R1 with the command ip address 172.16.1.254 255.255.255.0. However, when the administrator issues the command show ip route, the routing table does not show the directly connected network. What is the possible cause of the problem?

The subnet mask is incorrect for the IPv4 address
No packets with a destination network of 172.16.1.0 have been sent to R1.
The configuration needs to be saved first.
The interface fa0/0 has not been activated.*

6
A network administrator is implementing dynamic routing protocols for a company. Which command can the administrator issue on a router to display the supported routing protocols?

Router(config)# router ?*
Router(config)# ip route ?
Router(config)# service ?
Router(config)# ip forward-protocol ?

7
What are the two functions of a router? (Choose two.)

It manages the VLAN database.
It increases the size of the broadcast domain.
It determines the best path to send packets.*
It controls the flow of data via the use of Layer 2 addresses.
It connects multiple IP networks*

8
Refer to the exhibit. What is the purpose of the highlighted field in the line that is displayed from the show ip route command?

It indicates that this route was learned via EIGRP*
It indicates that this is a default route.
It indicates that this is a directly connected route.
It indicates that the route has been deleted from the routing table

9
A network administrator configures a router by the command ip route 0.0.0.0 0.0.0.0 209.165.200.226. What is the purpose of this command?

to provide a route to forward packets for which there is no route in the routing table*
to forward packets destined for the network 0.0.0.0 to the device with IP address 209.165.200.226
to add a dynamic route for the destination network 0.0.0.0 to the routing table
to forward all packets to the device with IP address 209.165.200.226

10
Which command is used to configure an IPv6 address on a router interface so that the router will combine a manually specified network prefix with an automatically generated interface identified?

ipv6 address ipv6-address/prefix-length link-local
ipv6 enable
ipv6 address ipv6-address/prefix-length eui-64*
ipv6 address ipv6-address/prefix-length

11
Which two items are used by a host device when performing an ANDing operation to determine if a destination address is on the same local network? (choose two.)

source MAC address
destination MAC address
subnet mask*
destination IP address*
network number

12
Refer to the exhibit. Match the description with the routing table entries. (Not all options are used.)

route source protocol = D(which is EIGRP)
destination network = 10.3.0.0
metric=21024000
administrative distance = 1
next hop = 172.16.2.2
route timestamp 00:22:15

13
Refer to the exhibit. PC1 attempts to connect to File_server1 and sends an ARP request to obtain a destination MAC address. Which MAC address will PC1 receive in the ARP reply?

the MAC address of the G0/0 interface on R2
the MAC address on File_server1
the MAC address of the G0/0 interface on R1*

14
What type of IPv6 address is required as a minimum on IPv6 enabled interfaces?

global unicast
loopback
link-local*
static
unique local

15
What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.)

interface descriptions
next-hop address
IP addresses*
Layer 1 statuses*
MAC addresses
speed and duplex settings

16
Which statement describes a route that has been learned dynamically?

It is identified by the prefix C in the routing table.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is automatically updated and maintained by routing protocols.*

17
Refer to the exhibit. A network administrator has configured R1 as shown. When the administrator checks the status of the serial interface, the interface is shown as being administratively down. What additional command must be entered on the serial interface of R1 to bring the interface up?

IPv6 enabled
end
clockrate 128000
no shutdown*

18
A packet moves from a host on one network to a device on a remote network within the same company. If NAT is not performed on the packet, which two items remain unchanged during the transfer of the packet from source to destination? (Choose two.)

source MAC address
destination IP address*
source IP address*
source ARP table
destination MAC address
Layer 2 header

19
Refer to the exhibit. A network administrator issues the show ipv6 route command on R1. What two conclusion can be drawn from the routing table? (Choose two.)

The interface Fa0/1 is configured with IPv6 address 2001:DB8:ACAD:A:12*
The network FF:00::/8 is installed through a static route command.
R1 does not show a route to any remote netowrks.
Packets that are destined for the network 2001:DB8:ACAD:2::54/128 will be forwarded through Fa0/0

20
Refer to the exhibit. What will the router do with a packet that has a destination IP address of 192.168.12.227?

Drop the packet
Send the packet out the Serial0/0/0 interface*
Send the packet out the GigabitEthernet0/1 interface
Send the packet out the GigabitEthernet0/0 interface

21
When a computer is pinging another computer for the first time, what type of message does it place on the network to determine the MAC address of the other device?

an ICMP ping
an ARP request*
a multicast to any Layer 3 devices that are connected to the local network
an RFI (Request for Information) message

22
What is one feature that distinguishes routers from Layer 2 switches?

Switches use tables of information to determine how to process data traffic. Routers do not.
Switches move packets from one physical interface to another. Routers do not.
Routers support a variety of interface types. Switches typically support Ethernet interfaces.*
Routers can be configured with IP addresses. Switches cannot.

23

In order for packets to be sent to a remote destination, what three pieces of information must be configured on a host? (Choose three.)

default gateway*
IP address*
DNS server address
hostname
subnet mask*
DHCP server address

24

Fill in the blank.
When a router receives a packet, it examines the destination address of the packet and looks in the "routing" table to determine the best path to use to forward the packet.

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CCNA 4 Routing and Switching Connecting Networks Practice Skills Assessment – Packet Tracer

CCNA Routing and Switching
Connecting Networks

Practice Skills Assessment – Packet Tracer

A few things to keep in mind while completing this activity:

1. Do not use the browser Back button or close or reload any exam windows during the exam.
2. Do not close Packet Tracer when you are done. It will close automatically.
3. Click the Submit Assessment button in the browser window to submit your work.

Introduction

In this practice skills assessment, you will configure the Small Business network with NTP, SNMP, EIGRP, PPP CHAP, Frame Relay, dynamic NAT, static NAT, PAT and a GRE tunnel.

Some values that are required to complete the configurations may not have been given to you. In that case, create the values that you need to complete the requirements.

For the sake of time, many repetitive, but important, configuration tasks have been omitted from this assessment. Many of these tasks, especially those related to security, are essential elements of a network configuration. The intent of this activity is not to diminish the importance of full device configurations.

You will practice and be assessed on the following skills:

• Configuration of NTP
• Configuration of SNMP and Syslog
• Configuration of interface addressing and basic settings
• Configuration of HDLC
• Configuration of Frame Relay
• Configuration of PPP
• Configuration of CHAP
• Configuration of a GRE tunnel
• Configuration of static and dynamic routing
• Configuration of dynamic NAT
• Configuration of static NAT
• Configuration of PAT

You are required to configure the devices as follows:

Office-1:

• Configure HDLC.
• Configure EIGRP.
• Configure passive interfaces.

R2:

• Configure PPP and CHAP authentication on the appropriate interface.
• Configure EIGRP.
• Configure static NAT for outside access to an internal server.
• Configure dynamic NAT.
• Configure PAT.

R3:

• Enable time stamps for use with NTP and SNMP logging.
• Configure the router to use NTP services.
• Configure logging to the IT Monitor Server.
• Configure PPP and CHAP authentication on the appropriate interface.
• Configure Frame Relay.
• Configure a GRE tunnel.
• Configure EIGRP.
• Configure passive interfaces.

Office-2-Branch:

• Configure Frame Relay.
• Configure a GRE tunnel.
• Configure EIGRP.
• Configure passive Interfaces.

Tables

In some cases, specific interface addresses have been provided to you. You must use them in your configurations. In other cases, when a network is specified instead of a specific address, you can use any address in the network.

You do not configure LAN addresses in this activity. The addresses of the LAN interfaces are provided in this table for reference purposes only.

Device	Interface	IP Address or Network	Default Gateway
Office-1	G0/1	192.168.1.1/24	N/A
	S0/0/0	192.168.0.0/30	N/A
R2	G0/0	172.16.0.1/30	N/A
	S0/0/0	192.168.0.0/30	N/A
	S0/0/1	10.10.0.0/30	N/A
	S0/1/0	203.0.113.1/28	N/A
R3	G0/1	10.10.1.1/24	N/A
	S0/0/0	10.10.2.1/30	N/A
	S0/0/1	10.10.0.0/30	N/A
	T0	10.10.10.1/30	N/A
Office-2-Branch	G0/0	10.10.3.1/24	N/A
	S0/0/0	10.10.2.2/30	N/A
	T0	10.10.10.2/30	N/A
Partner Server	NIC	172.16.0.2/30	172.16.0.1
IT Monitor Server	NIC	10.10.1.2/24	10.10.1.1
Office-1 PC	NIC	192.168.1.5/24	192.168.1.1
R3 Host	NIC	10.10.1.5/24	10.10.1.1
Office-2 Branch PC	NIC	10.10.3.5/24	10.10.3.1

Instructions

All configurations must be performed through a direct terminal connection to the device console from an available host.

Step 1: Configure NTP, SNMP, and Syslog settings on R3.

a. Configure NTP.

• Configure R3 to use IT Monitor Server as its NTP server.
• Use a key value of 15.

b. Configure SNMP.

• Use an SNMP community string of CiscoPTSA.
• Allow the SNMP management station only read only rights.

c. Configure Syslog.

• Configure R3 to use time stamps when logging. The timestamps should include milliseconds.
• Configure Syslog to send log entries to the IT Monitor Server.
• Set the message trapping for Syslog to the debugging level.

Step 2: Configure Frame Relay between R3 and Office-2-Branch.

Configure Frame Relay on the interfaces connecting R3 and Office-2-Branchusing the information from the Addressing Table.  You must use the exact addresses specified in the addressing table for the configuration.

Step 3:  Configure a GRE Tunnel between R3 and Office-2-Branch.

• Configure a GRE tunnel using Tunnel interface 0 on R3 to Office-2-Branch using information from the addressing table.
• Configure a GRE tunnel using Tunnel interface 0 on Office-2-Branchto R3 using information from the addressing table.
• You must use the exact addresses specified in the addressing table for this configuration.

Step 4: Configure DCE interfaces.

Configure the DCE interfaces of R2 with a clock rate of 128000.

Step 5:  Configure PPP and CHAP between R2 and R3.

• Configure interface addressing according to information provided in the Addressing Table. You can use any address in the network specified in the Addressing Table for this configuration.
• Authenticate the PPP connection with CHAP on both ends of the link.
• Use the password of PTSAchap.

Step 6:  Configure HDLC on Office-1 and  R2.

It has been decided to remove an earlier PPP configuration from the link between Office-1 and R2.

• Configure this link with HDLC.
• Configure interface addressing according to information provided in the Addressing Table. You can use any address in the network specified in the Addressing Table.

Step 7:  Configure NAT on R2.

All hosts should use translated addresses to access destinations outside of the Small Business network.

a. Configure static NAT.

• Configure static NAT for the IP address of the Partner Server.
• Use the last host address in the interface S0/1/0 subnet.

b. Configure dynamic NAT.

• Configure dynamic NAT for all host IP addresses on the LAN network connected to Office-1.
• Use DYNAMIC as the name for the pool.
• Use the third through tenth IP addresses that are available on the R2 S0/1/0 subnet.
• Configure ACL 1 to allow all host IP addresses in Office-1 LAN network to use this group of addresses.
• Your ACL should have one statement.

c. Configure PAT.

• Configure PAT to enable the hosts attached to the R3 and Office-2-Branch LANs to access the Internet.
• Use the interface keyword in the NAT statement.
• Use ACL 2 to allow all host addresses on both LAN networks to use the overload address.
• Your ACL should have two statements.
• Configure all interfaces on R2 as appropriate.

Step 8:  Configure static and dynamic routing.

a. Configure dynamic routing.

• Configure EIGRP for all networks connected to Office-1, R2,R3, and Office-2-Branch.
• Use ASN 1.
• Use the precise inverse masks for all networks.
• Disable automatic summarization on all routers.
• Disable EIGRP updates from being sent on the appropriate interfaces. You must do this for each individual interface. Donot use the default keyword with the command.

b. Configure a redistribute a default route.

• Create a directly attached default route to the Internet on R2.
• Configure EIGRP to redistribute the default route to the other routers.

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