Question

Which of the following is incorrect?

(a) The postconditions express the caller’s obligations and the called operation’s rights

(b) The preconditions express the caller’s rights and the called operation’s obligations

(c) All of the mentioned

(d) None of the mentioned

I had been asked this question in an online quiz.

My question comes from Operation Specification in section Visibility, Accessibility and Information Hiding of Software Architecture

Answer 1

Correct option is (d) None of the mentioned

For explanation I would say: The preconditions express the caller’s obligations and the called operation’s rights and The postconditions express the caller’s rights and the called operation’s obligations.