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Networking · Q10

Subnetting

Programming · Networking · question 10

Q10

The network address of 172.16.0.0/19 provides how many subnets and hosts?

A.
7 subnets, 30 hosts each
B.
8 subnets, 8,190 hosts each
Answer
C.
8 subnets, 2,046 hosts each
D.
7 subnets, 2,046 hosts each

Answer: Option B

Solution

Answer: Option B
Solution:
A CIDR address of /19 is 255.255.224.0. This is a Class B address, so that is only 3 subnet bits, but it provides 13 host bits, or 8 subnets, each with 8,190 hosts.