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CompTIA Security+ · CompTIA
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You want to test a power failure without taking production down. A simulation does that. Production failover is the real cutover.
The correct answer is: D. Production failover Explanation: Production failover tests the resiliency of systems in the event of a primary power failure by switching operations from the primary system to a backup or secondary system in a live environment. It ensures that the failover process works as intended and that systems remain operational during an actual outage. Other Options: A. Parallel processing: Refers to splitting tasks across multiple systems for efficiency and does not test resiliency in case of a power failure. B. Tabletop exercise: A discussion-based exercise to simulate scenarios but does not involve actual testing of systems. C. Simulation testing: Tests a simulated environment but may not reflect real-world conditions as accurately as a production failover. Production failover is the best way to test resiliency because it verifies that systems can handle a power failure in a real, operational environment.
You want to test a power failure without taking production down. A simulation does that. Production failover is the real cutover.