Which of the following best describes a sub network?

A.
Fragment Network

B.
ADM

C.
PDM

D.
A0N

Explanation:
ADM (Arrow Diagramming MethoD.r activities on arrows uses dummy activities to correctly show all logical relationships. PDM (Precedence Diagramming Method) is also known as Activities on nodes. PDM is also known as Activity On Nodes (AON).