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Question

What does a message in a sequence diagram indicate?

a.

A guard

b.

A request

c.

An interaction between two objects

d.

Both b and c

Answer: (d).Both b and c Explanation:A message in a sequence diagram indicates a request or an interaction between two objects. It can also be labeled with a guard, a boolean expression that states the condition which must hold for the message to be sent.

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Q. What does a message in a sequence diagram indicate?