Chapter 8 Review

Question 1

Which of the following is not a good reason to segment a network?

Answer 1

To increase the number of networking devices on a network

Question 2

What do well-chosen subnets accomplish?

Answer 2

Network documentation is easier to manage.

Question 3

What is the least number of bits you would need to borrow from the network portion of a Class B subnet mask to get at least 130 hosts per subnet?

Answer 3

Eight

Question 4

Which port mode on a switch enables that port to manage traffic for multiple VLANs?

Answer 4

Trunk

Question 5

How many bits of a Class A IP address are used for host information?

Answer 5

24 bits

Question 6

While designing your network’s VLAN topology, your team has decided to use a centrally managed DHCP server rather than creating a separate DHCP server for each VLAN. What software will you need in order to make the central DHCP server accessible across VLANs?

Answer 6

DHCP relay agent

Question 7

Which IEEE standard determines how VLANs work on a network?

Answer 7

802.1Q

Question 8

What is the formula for determining the number of possible hosts on a network?

Answer 8

2h – 2 = Z

Question 9

Which hexadecimal block in an IPv6 address is used for the Subnet ID?

Answer 9

The fourth one

Question 10

Which formulas can be used to calculate the magic number? Choose two.

Answer 10

256 – the interesting octet

2h