A network administrator wants to narrow the scope of a subnet to two usable IP addresses within a class C network. Which of the following is the correct CIDR notation?
A) 10.10.50.0/30
B) 172.16.20.0/30
C) 192.1.0.124/30
D) 192.168.0.192/24
E) 192.170.10.0/24

Question

Quizplus · Accepted Answer

A /30 subnet provides 4 IP addresses, 2 of which are usable for hosts, making it suitable for the requirement. Option C is a class C network with a /30 subnet.

A Network Administrator Wants to Narrow the Scope of a Subnet