In ARQ, a NAK:
A)is sent by the recipient if the message was received without error
B)is sent by the sender at the same time as it sends a data packet
C)is sent by the recipient if the message contains an error
D)refers to non-asynchronous Kermit technique
E)means that the sender should continue with sending the next message

Question

Quizplus · Accepted Answer

A NAK (negative acknowledgement) is sent by the recipient if the message contains an error, indicating to the sender that the message needs to be resent.