63. Which of the following are TRUE for direct communication?

a) A communication link can be associated with N number of process(N = max. number of processes supported by system)
b) A communication link is associated with exactly two processes
c) Exactly N/2 links exist between each pair of processes(N = max. number of processes supported by system)
d) Exactly two link exists between each pair of processes

Answer: b
Explanation: For direct communication, a communication link is associated with exactly two processes. One communication link must exist between a pair of processes.

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