Subnets Flashcards
1
Q
Magic number
A
256
2
Q
Subnet mask endings
A
128, 192, 224, 240, 248, 252, 254, 255
3
Q
The broadcast address…
A
… is one number less than the next subnet address.
4
Q
The first usable IP address is…
A
… one higher than the subnet address.
5
Q
The last usable IP address is…
A
… one number less than the broadcast address.
6
Q
Class A Subnet
A
255.0.0.0 - 255.254.0.0
7
Q
Class B Subnet
A
255.255.0.0 - 255.255.254.0
8
Q
Class C Subnet
A
255.255.255.0 - 255.255.255.252
9
Q
Default Class A Subnet
A
CIDR /8
Mask 255.0.0.0
10
Q
Default Class B Subnet
A
CIDR /16, Mask 255.255.0.0
11
Q
Default Class C Subnet
A
CIDR /24, Mask 255.255.255.0
