CAF-3 · Chapter 7 · Question 11 of 15
To ensure that an organization's essential services remain online even if a piece of hardware physically breaks, IT architects purposefully install duplicate components (such as dual power supplies and backup hard drives). This principle is called:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Redundancy
Explanation
Redundancy is the intentional duplication of critical components or functions of a system to increase reliability and ensure high availability in case of a failure . --------------------------------------------------------------------------------
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