Scenario Routing IP on Cisco Routers

Figure 1-21 displays a network with one Cisco router and two directly attached Ethernet interfaces. Use Figure 1-21 to answer the following questions.

Figure 1-21 Scenario Diagram

E0 IP address 1.1.1.100 MAC address 3333.3333.3333

E1 IP address 2.1.1.100 MAC address 4444.4444.4444

E0 IP address 1.1.1.100 MAC address 3333.3333.3333

E1 IP address 2.1.1.100 MAC address 4444.4444.4444

IP address 1.1.1.1

MAC address 1111.1111.1111

IP address 2.1.1.1

MAC address 2222.2222.2222

IP address 1.1.1.1

MAC address 1111.1111.1111

IP address 2.1.1.1

MAC address 2222.2222.2222

1. In Figure 1-21, PC1 cannot communicate with PC2. What is the likely cause of the problem, assuming that the router is configured correctly?

a. Router R1 requires a routing protocol to route packets from EthernetO to Ethernet1.

b. There is a problem with the IP address configuration on Router R1.

c. The gateway address on PC1 is wrong.

d. The gateway address on the router is wrong.

2. In Figure 1-21, what will be the ping response display when an exec user on Router R1 pings PC1's IP address for the first time? Assume that all configurations are correct.

3. What Cisco IOS command was used to display the following output taken from Router R1?

Protocol Internet Internet Internet Internet

a. show ip arpa b. show ip arp c. show interface ethernet0

13 13

Hardware Addr 333.3333.3333 4444.4444.4444 1111.1111.1111 2222.2222.2222

Type ARPA ARPA ARPA ARPA

Interface Ethernet3 Ethernet1 Ethernet3

Ethernet1

d. show interface ethernet!

0 0

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