The Ethernet frame has several fields in its header and trailer. Choose an INCORRECT description of each field.
A) Preamble: synchronizes the clock speed between communicating nodes
B) Start Frame Delimiter: indicates the starting point of a frame
C) TPID: indicate presence of link aggregation
D) PAD: used if the data field is too small to meet the minimum size requirement
E) Frame Check Sequence: contains an error detection code

Question

Quizplus · Accepted Answer

TPID (Tag Protocol Identifier) is used in VLANs to identify the type of tag and is not related to link aggregation. The correct field for link aggregation is LACP (Link Aggregation Control Protocol).

The Ethernet Frame Has Several Fields in Its Header and Trailer