Subnet Masks Flashcards
1
Q
Class A IP addr range and subnet mask:
A
(0-126)
255.0.0.0
2
Q
Class C IP addr range and subnet mask:
A
(192-223)
255.255.255.0
3
Q
Class B IP addr range and subnet mask
A
(128-191)
255.255.0.0
4
Q
Attributes of a Network ID?
A
Beginning number in subnet range;
Always even;
Official designation for particular subnet
5
Q
Attributes of a Broadcast ID
A
Ending number in a subnet range;
Always odd;
All devices on subnet listen to this address
6
Q
How is a subnet’s size referenced?
A
Network ID and subnet mask
7
Q
Subnet mask:
A
Masks out host bits leaving network ID that begins the subnet;
Determines subnet size;
Identifies subnet endpoints;
If beginning ID (network ID) and subnet size is known, the ending ID (broadcast ID) can be determined