Chapter 2

Question 1

What network mask is associated with a Class B IP Network?

Answer 1

255.255.0.0

Question 2

What network protocol is used to associate an Ethernet MAC address with an IP address?

Answer 2

ARP

Question 3

Use the following transcript to answer the next 3 questions.

[root@station root]$ ip addr
1: lo: >LOOPBACK,UP,LOWER_UPBROADCAST,MULTICAST,UP,LOWER_UP

Answer 3

-

Question 4

What is the MAC address of the interface eth0?

Answer 4

00:0d:60:2f:f5:9c

Question 5

What is the MAC address of the loopback interface?

Answer 5

The loopback interface does not have a MAC address.

Question 6

What is the network mask of the interface eth0?

Answer 6

255.255.255.0

Question 7

Use the following transcript to answer the next 3 questions.

[root@station root]$ ip route
10.0.0.0/8 dev eth0 proto kernel scope link src 10.1.1.1 metric 2
default via 192.168.0.254 dev eth0

Answer 7

-

Question 8

What is the IP address of the default gateway?

Answer 8

192.168.0.254

Question 9

What is the IP address of the interface eth0?

Answer 9

10.1.1.1

Question 10

What network configuration problem is implied by the above routing table?

Answer 10

The gateway 192.168.0.254 cannot be reached using any of the local networks.

Question 11

On a system whose only external network interface is the interface eth0, in what file could the default gateway be specified?

Answer 11

/etc/sysconfig/network-scripts/ifcfg-eth0

Question 12

In the appropriate configuration file, what parameter is used to specify a default gateway?

Answer 12

GATEWAY