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Question $17$

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Question text

Suppose the following architecture.

integration$-$testing$-$bottom$-$up

What is the testing sequence when the bottom$-$up integration testing is applied?

Question $17$Select one:

a$.$

M$2->$M$1,1->$M$1,2->$M$1$

b$.$

M$1->$M$1,1->$M$1,2->$M$2$

c$.$

M$1,2->$M$1,1->$M$1->$M$2$

d$.$

M$1,1->$M$1,2->$M$1->$M$2$

e$.$

M$2->$M$1,2->$M$1,1->$M$1$