Automatic repeat request error management mechanism is provided by ________
A. logical link control sublayer
B. media access control sublayer
C. network interface control sublayer
D. application access control sublayer
Answer:A
Automatic repeat request error management mechanism is provided by ________
A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. application access control sublayer
Explanation: The logical link control is a sublayer of data link layer whose main function is to manage traffic, flow and error control. The automatic repeat request error management mechanism is provided by the LLC when an error is found in the received frame at the receiver’s end to inform the sender to re-send the frame.