Ch. 12 Analyzing. Classful IPv4 Networks

Question 0

Class A octet values

Answer 0

1-126

Question 1

_____ IP networks are class A, B, or C

Answer 1

Classful

Question 2

Class B octet values

Answer 2

128-191

Question 3

Class C octet values

Answer 3

192-223

Question 4

Class D octet values

Answer 4

224-239

Question 5

Class E octet values

Answer 5

240-255

Question 6

Class A, B , and C networks are _____

Answer 6

Unicast

Question 7

Class D networks are _____

Answer 7

Multicast

Question 8

Class E networks are_____

Answer 8

Experimental

Question 9

If a network has not been divided via subnetting the address structure has two parts the _____ part (aka the prefix) and the _____ part

Answer 9

Network part

Host part

Question 10

The addresses in the same network have the same values in the ______ part

Answer 10

Network

Question 11

The addresses in the same network have different values in the ____ part

Answer 11

Host

Question 12

Each network class has an associated ____ ____ that defines the size of the network and host parts of an unsubnetted class A, B, and C network

Answer 12

Default mask

Question 13

Each classful network has ____ key numbers that describe the network

Answer 13

Four

Question 14

The first key number is the ____ number

Answer 14

Network

Question 15

The second key number is the _____ usable address

Answer 15

First (numerically)

Question 16

The third key number is the _____ usable address

Answer 16

Last (numerically highest)

Question 17

The last key number is the network _____ address

Answer 17

Broadcast

Question 18

The _____ number identifies the network

Answer 18

Network, network ID, or network address

Question 19

The first ____ IP address after the network ID is the first usable address

Answer 19

Host

Question 20

The second to last ____address is the last usable address

Answer 20

IP

Question 21

The last address is the network_____ address

Answer 21

Broadcast

Question 22

Which of the following are not valid class A network IDs (choose two answers)

1. 0.0.0
2. 0.0.0
3. 0.0.0
4. 0.0.0

Answer 22

130. 0.0.0

127. 0.0.0

Question 23

Which of the following are not valid class B network IDs?
130.0.0.0
191.255.0.0
128.0.0.0
150.255.0.0
All are valid class B network IDs

Answer 23

All are valid class B network IDs

Question 24

Which of the following are true about IP address172.16.99.45’s IP network (select two)
The network ID is 172.0.0.0
The network is a class B network
The default mask for the network is 255.255.255.0
The number of host bits in the unsubnetted network is 16

Answer 24

The network is a class B network
The number of host bits in the unsubnetted network is 16

Question 25

Which of the following are true about IP address 192.168.6.7’a IP network (select two answers)
The network ID is 192.168.6.0
The network is a class B network
The default mask for the network is 255.255.255.0
Te number of host bits in the unsubnetted network is 16

Answer 25

The network ID is 192.168.6.0

The default mask for the network is 255.255.255.0

Question 26

Which of the following is a network broadcast address

10. 1.255.255
11. 168.255.1
12. 1.1.255
13. 30.255.255

Answer 26

172.30.255.255

Question 27

Which of the following is a class A, B, or C network ID?

10. 1.0.0
11. 168.1.0
12. 0.0.0
13. 20.0.1

Answer 27

192.168.1.0