Which field of the 802.3 frame is used by network interface cards to synchronize their receivers?
A . Start frame delimiter
B . Preamble
C . Cyclic redundancy check
D . Frame check sequence
Answer: B
Which field of the 802.3 frame is used by network interface cards to synchronize their receivers?
A . Start frame delimiter
B . Preamble
C . Cyclic redundancy check
D . Frame check sequence
Answer: B