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    PracticeAWS Solutions Architect Associate (SAA-C03)AWS SAA-C03 Practice Exam 1Question 30
    Medium1 markMultiple Choice
    Domain 2.2: Highly Available ArchitecturesDomain 2ResilienceDisaster RecoveryPilot Light

    AWS SAA-C03 · Question 30 · Domain 2.2: Highly Available Architectures

    A company is implementing a disaster recovery strategy. They want to keep a scaled-down version of their core infrastructure running in a secondary region. The database must be continuously replicated, but the application servers will only be provisioned when a disaster is declared. Which DR strategy is this?

    Answer options:

    A.

    Backup and Restore

    B.

    Pilot Light

    C.

    Warm Standby

    D.

    Multi-Site Active/Active

    How to approach this question

    Understand the 4 DR strategies. Database running + compute off = Pilot Light.

    Full Answer

    B.Pilot Light✓ Correct
    The Pilot Light disaster recovery strategy provisions a small part of your infrastructure (usually the database) to run continuously in the DR region. The rest of the infrastructure (like EC2 instances) is defined in templates but not turned on until a disaster occurs.

    Common mistakes

    Confusing Pilot Light with Warm Standby. Warm Standby has compute running at a minimum capacity, while Pilot Light has compute turned off entirely.
    Question 29All questionsQuestion 31

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