Why would an engineer implement variable-length subnet masks?
A . to prevent wasting IP addresses
B . to expand an existing subnet
C . to make a subnet public
D . to make a subnet its own VLAN
Answer: A
Why would an engineer implement variable-length subnet masks?
A . to prevent wasting IP addresses
B . to expand an existing subnet
C . to make a subnet public
D . to make a subnet its own VLAN
Answer: A