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Networking · Q16

Subnetting

Programming · Networking · question 16

Q16

If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

A.
172.16.45.0
B.
172.16.45.4
C.
172.16.45.8
D.
172.16.45.12
Answer
E.
192.168.10.126

Answer: Option D

Solution

Answer: Option D
Solution:
A /30, regardless of the class of address, has a 252 in the fourth octet. This means we have a block size of 4 and our subnets are 0, 4, 8, 12, 16, etc. Address 14 is obviously in the 12 subnet.