Question

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

This question was posed to me in class test.

This key question is from Inter Process Communication topic in chapter Processes of Operating System

Answer 1

Correct option is (b) A communication link is associated with exactly two processes

Easiest explanation - For direct communication, a communication link is associated with exactly two processes. One communication link must exist between a pair of processes.