A server administrator is setting up a new set of hosts for an application that requires communication between all the hosts on a dedicated private subnet. Initially, the configuration consists of four hosts and is expected to grow to 48 total as the application is implemented for the entire company. When configuring the private subnet, which of the following CIDR netmasks would allow for the full number of hosts once the application is fully in production with the least number of unused addresses allocated?
A) /25
B) /26
C) /27
D) /28

Question

Quizplus · Accepted Answer

A /26 subnet provides 64 IP addresses, which allows for 62 usable host addresses (after accounting for network and broadcast addresses). This is sufficient for 48 hosts with minimal unused addresses.

A Server Administrator Is Setting Up a New Set of Hosts