In fault-tolerant systems, what do rollback capabilities permit?

Posted by: Pdfprep Category: CISSP Tags: , ,

In fault-tolerant systems, what do rollback capabilities permit?
A . Restoring the system to a previous functional state
B . Identifying the error that caused the problem
C . Allowing the system to an in a reduced manner
D . Isolating the error that caused the problem

Answer: A