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
