What is the purpose of a network diagram?

Answer 1

It's easier to troubleshoot problems if the service technicians know what exists on their network, where, and how each node is connected to each other node. A network diagram provides that "Big Picture" allowing a technician to troubleshoot more quickly with a minimum amount of research.

A network diagram also helps new technicians get up to speed quickly. Instead of memorizing the network over time, a technician has a quick reference to turn to, allowing the new technician to be a productive part of the team more quickly.

Answer 2

A Network Diagram (in Project Management) is a way of graphically representing the steps, sequences and dependencies in a project. Network Diagram are generated from PERT diagrams in popular "Project tracking" programs. Step 1 -> Step B -> Step 3

_. . . . . .\ Step C / Network diagram could refer to a graphical description of the nodes on a computer network, showing their logical/physical connections.