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

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:
A full-duplex (FDX), or sometimes double-duplex system, 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