62. The link between two processes P and Q to send and receive messages is called __

a) communication link
b) message-passing link
c) synchronization link
d) all of the mentioned

Answer: a
Explanation: The link between two processes P and Q to send and receive messages is called communication link. Two processes P and Q want to communicate with each other; there should be a communication link that must exist between these two processes so that both processes can able to send and receive messages using that link.

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