Which of the following utilities is described in the statement below?
“It is a virtual subnet, which is created by switches and supported routers. It is created by tagging the
data frames that a switch receives from hosts. Each port on the switch behaves in the same way as
an IP subnet and might require routing to communicate with hosts on other such networks. It can be
used to isolate hosts and segments and to control broadcast traffic.”

A.
LAN

B.
WAN

C.
MAN

D.
VLAN