Task relationship

Question 1

Finish-to-start (FS)

Answer 1

Task A must complete before Task B can begin. This is the most common relationship.

Question 2

Start-to-start (SS)

Answer 2

This relaltionship means Task A must start before Task B can start. This relationship allows both activities to happen in tandem.

Question 3

Finish-to-finsih (FF)

Answer 3

This relationship means Task A must complete before Task B does. Ideally, two tasks must finish at exactly same time, but this is not always the case.

Question 4

Start-to-finish (SF)

Answer 4

This relationship is un-usual and is rarely used. It requires Task A to start so that Task B may finish. It is also known as just in time (JIT) scheduling.