Failover Is the Capacity to Switch, Often Automatically, to Another

Multiple Choice

Failover is the capacity to switch, often automatically, to another system or resource in the event of a failure. How does failover assist in the provision of cloud services?

A) It assists providers in ensuring continuity of service when there is a problem.
B) It automatically restarts the system in case of a failure.
C) It builds a back-up while the system is active.
D) It provides hidden storage to be used when needed.