This text refers to questions from 14 through 20....

System and component redundancy are two out of many general ways to deal with redundancy implementation.

Component redundancy uses two identical systems in parallel in order to improve reliability.

In a context of system redundancy, in case of an unsuccessful operation of the active system, another system can be turned on to substitute for the one that failed.

The use of a hot backup system must be avoided.

The backup system cannot become active.