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4.2 CIDR

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

Which method of routing focuses only on the value(s) in the first octet, first two octets, or first three octets of an IPv4 address to determine the network ID for the IP address?

a)

classful routing

b)

classless interdomain routing

c)

classful switching

d)

classless interdomain switching

2.

Which method of routing focuses only on the number of bits dedicated to the network ID of an IPv4 address to determine the network ID for the IP address?

a)

classful routing

b)

classless interdomain routing

c)

classful switching

d)

classless interdomain switching

3.

Which of the following allows you to consolidate multiple Class A, B, or C networks into one larger logical network?

a)

supernetting

b)

subnetting

c)

classful addressing

4.

Which of the following allows you to divide a Class A, B, or C network into smaller logical networks?

a)

supernetting

b)

subnetting

c)

classful addressing

5.

A subnetted IPv4 block has 64 IP addresses in it. How many IP addresses in that block are usable?

a)

61

b)

62

c)

63

d)

64

6.

The first IP address in a subnet block is used for the

a)

network ID address.

b)

broadcast IP address.

c)

first host.

d)

first network device (router or switch).

7.

The last IP address in a subnet block is used for the

a)

network ID address.

b)

broadcast IP address.

c)

first host.

d)

first network device (router or switch).

8.

For a Class C network, you have 3 subnets, the largest of which is 28 users. 

What is the subnet CIDR that would support this?

a)

/24

b)

/25

c)

/26

d)

/27

9.

Which of the following IP addresses, including CIDR notation, represents an IP address on a supernetted network?

a)

192.168.1.1/22

b)

192.168.1.1/24

c)

192.168.1.1/26

10.

Which of the following IP addresses, including CIDR notation, represents an IP address on a subnetted network?

a)

192.168.1.1/22

b)

192.168.1.1/24

c)

192.168.1.1/26