Question #127867

A dummy activity represented in a network diagram

Options:

A) Solid arrow

B) Curved line

C) Dotted line

D) Double line

Explanation:

In network diagrams (such as CPM or PERT), a dummy activity is used to maintain correct logic and dependency between activities without consuming time or resources. It is typically shown using a dotted line (or dashed arrow). Dummy activities help in distinguishing between similar start and end events that might otherwise confuse sequencing.

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A dummy activity represented in a network diagram

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