In the HDLC frame structure the FCS and flag fields following the data field are referred to as a ________.
A)header
B)trailer
C)bit stuffing
D)information frames

Question

Quizplus · Accepted Answer

The FCS (Frame Check Sequence) and flag fields that follow the data field in an HDLC (High-Level Data Link Control) frame structure are known as a Trailer. The FCS is used to check for errors in the received frame, while the flag field marks the start and end of the frame. Therefore, option B is the best choice for this question.

In the HDLC Frame Structure the FCS and Flag Fields