The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description.
A) Preamble: synchronizes the clock speed between communicating nodes
B) Start Frame Delimiter: indicates the starting point of a frame
C) Source/Destination Address: 48 bit MAC addresses
D) PAD: used if the data field is too small to meet the minimum size requirement
E) Frame Check Sequence: indicates the end of a frame

Question

Quizplus · Accepted Answer

The Frame Check Sequence (FCS) is used to verify if the frame has been transmitted without errors, and it is located in the trailer, not at the end of the frame. Therefore, the description in option E is incorrect.

The Ethernet Frame Has Several Fields in Its Header and Trailer