The Ethernet Frame Has Several Fields in Its Header and Trailer

Multiple Choice

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