Subnetting Quiz #1
This quiz is for understanding the math of subnetting, not for real world subnetting. Some of the sample solutions are actually supernets that wouldn't be used in the real world.
One Byte Subnetting
Network ID
to be subnetted
0
Max number of subnets
Subnet Mask
Network ID of subnet 1
Right
Total
Reference Table
Count from Right
Count from Left
bit
power
value
binary
sum
power
bit
1
2
1
00000001
11111111
255
256
8
2
4
2
00000010
11111110
254
128
7
3
8
4
00000100
11111100
252
64
6
4
16
8
00001000
11111000
248
32
5
5
32
16
00010000
11110000
240
16
4
6
64
32
00100000
11100000
224
8
3
7
128
64
01000000
11000000
192
4
2
8
256
128
10000000
10000000
X
2
1
Quick Reference by Richie Martinez
2
4
8
16
32
64
128
256
128
64
32
16
8
4
2
1
192
224
240
248
252
254
255
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Quiz copyright 2002 Joe Orr