Questão número 640412

This text refers to questions from 14 through 20.

Taking into consideration what is found in the text, choose the correct option.

• A.

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

• B.

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

• C.

  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.

• D.

  The use of a hot backup system must be avoided.

• E.

  The backup system cannot become active.