The term failover refers to:

A.
A fail-soft system.

B.
Terminating processing in a controlled fashion.

C.
Resiliency.

D.
Switching to a duplicate, hot backup component.

Explanation:
The correct answer is “Switching to a duplicate, hot backup component”. Failover means switching
to a hot backup system that maintains duplicate states with the primary system.
Answer “Terminating processing in a controlled fashion” refers to fail safe, and answers Resiliency
and A fail-soft system refer to fail soft.