Activity On Node / Activity Network

Question 1

What is Activity on Node ?

Answer 1

A type of network diagram used in project management to show tasks in a project as boxes (nodes) connected by arrows.

The arrows indicate the order in which tasks should be done. It helps managers see the sequence of tasks and plan the project timeline.

Question 2

Critical Path

Answer 2

The longest path from start to finish, determining the shortest possible duration of project.

Question 3

Components of Activity -On Node Diagram

Answer 3

→ Nodes - circles/ boxes

→ Arrows

→ Duration Estimates

→ Float / Slack

→ Early start Early finish

→ Late start Late finish

Question 4

Expert Judgement Method

Answer 4

Experts provide their insights to estimate activity durations based on their knowledge and judgement.

Question 5

Parametric Method

Answer 5

→ use statistical relationships and historical data to estimate durations.

→ relies on Parameters that affects durations of activities.