Ch. 12 Analyzing. Classful IPv4 Networks Flashcards
Class A octet values
1-126
_____ IP networks are class A, B, or C
Classful
Class B octet values
128-191
Class C octet values
192-223
Class D octet values
224-239
Class E octet values
240-255
Class A, B , and C networks are _____
Unicast
Class D networks are _____
Multicast
Class E networks are_____
Experimental
If a network has not been divided via subnetting the address structure has two parts the _____ part (aka the prefix) and the _____ part
Network part
Host part
The addresses in the same network have the same values in the ______ part
Network
The addresses in the same network have different values in the ____ part
Host
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
Default mask
Each classful network has ____ key numbers that describe the network
Four
The first key number is the ____ number
Network
The second key number is the _____ usable address
First (numerically)
The third key number is the _____ usable address
Last (numerically highest)
The last key number is the network _____ address
Broadcast
The _____ number identifies the network
Network, network ID, or network address
The first ____ IP address after the network ID is the first usable address
Host
The second to last ____address is the last usable address
IP
The last address is the network_____ address
Broadcast
Which of the following are not valid class A network IDs (choose two answers)
- 0.0.0
- 0.0.0
- 0.0.0
- 0.0.0
- 0.0.0
127. 0.0.0
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
All are valid class B network IDs
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
The network is a class B network The number of host bits in the unsubnetted network is 16
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
The network ID is 192.168.6.0
The default mask for the network is 255.255.255.0
Which of the following is a network broadcast address
- 1.255.255
- 168.255.1
- 1.1.255
- 30.255.255
172.30.255.255
Which of the following is a class A, B, or C network ID?
- 1.0.0
- 168.1.0
- 0.0.0
- 20.0.1
192.168.1.0
