Which of the following should IT service continuity strategy be based on?
1. Design of the service metrics
2. Business continuity strategy
3. Business impact analysis (BIA)
4. Risk assessment

A.
1, 2 and 4 only

B.
1, 2 and 3 only

C.
2, 3 and 4 only

D.
1, 3 and 4 only