The sequence 10101011 is the ________ and indicates the actual start of the frame and enables the receiver to locate the first bit of the rest of the frame.
A)start frame delimiter
B)frame check sequence
C)preamble
D)LLC data

Question

Quizplus · Accepted Answer

The start frame delimiter (SFD) sequence 10101011 is used to mark the beginning of an Ethernet frame and helps the receiver identify the start of the frame. The preamble is a series of alternating 1s and 0s that precedes the SFD and is used for synchronizing the receiver's clock. The frame check sequence (FCS) is the last field in an Ethernet frame and is used for error detection. LLC (Logical Link Control) data is a field in the Ethernet frame that contains the packet data. Therefore, the best choice is A) start frame delimiter.

The Sequence 10101011 Is the ________ and Indicates the Actual