Computer Networking
A WATS arrangement

None of these
is never less expensive than flat-rate service
is always less expensive than flat-rate service
is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
is less expensive than flat-rate service only when the number of calls is small and the duration of each is long

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
What does a VLAN do?

Provides multiple broadcast domains within a single collision domain.
Breaks up broadcast domains in a layer 2 switch internetwork.
Provides multiple collision domains on one switch port.
Acts as the fastest port to all servers.

ANSWER DOWNLOAD EXAMIANS APP