Which of the following switch features allows for both incoming and outgoing data across physical
ports at the same time?

A.
Burst-frame

B.
Full-duplex

C.
Half-duplex

D.
VoIP

Explanation:
Afull-duplex(FDX), or sometimesdouble-duplexsystem, allows communication in
both directions, and, unlike half-duplex, allows this to happen simultaneously. Land-line telephone
networks are full-duplex, since they allow both callers to speak and be heard at the same time