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Security Operations · Intermediate

Parallel Test

A disaster recovery test in which recovery systems are brought up at the alternate site and run alongside production without interrupting it.

Definition

Parallel tests validate that recovery systems can process real workloads while the primary site continues operating. They are more realistic than tabletop or walkthrough tests but less risky than a full interruption test.

Example

Running payroll at the DR site in parallel with production and comparing results.

Exam tip

Test order by disruption: checklist, walkthrough/tabletop, simulation, parallel, full interruption.

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