You are an administrator for a large organization that uses a single Class B address range. Your organization contains a number of departments which range in size from 25 to 400 people. Each department is to be given its own separate range of network addresses.
Which networking strategy allows you to make efficient use of the addresses allocated to your organization?
use switches with more ports in the larger departments
configure static routing tables on all hosts and routers
use variable length subnet masks to divide the address space
obtain some Class C address ranges for the smaller departments
use /etc/netgroup to create network names for each department