In the high level data link control frame structure the flag,address,and control fields that precede the information field are known as a ________.
A)header
B)trailer
C)FAC
D)ARQ

Question

Quizplus · Accepted Answer

The flag, address, and control fields that come before the information field in the high level data link control frame structure are known as the header. The header provides necessary information for error detection and flow control.

B) trailer: The trailer is a term used for the fields that come after the information field in a data frame, which includes the cyclic redundancy check (CRC) or frame check sequence (FCS) used for error detection.

C) FAC: FAC stands for Frame Alignment Control and is a field used in some serial communication protocols for synchronization and frame alignment purposes.

D) ARQ: ARQ stands for Automatic Repeat reQuest and is a protocol used for error control in data transmission. It involves the retransmission of data until it is successfully received without errors.

In the High Level Data Link Control Frame Structure the Flag,address,and