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    PracticeAWS Solutions Architect Professional (SAP-C02)AWS Solutions Architect Professional SAP-C02 Practice Exam 3Question 25
    Hard1 markMultiple Choice
    Domain 1.3: Reliable ArchitecturesReliabilityRDSDisaster Recovery

    AWS SAP-C02 · Question 25 · Domain 1.3: Reliable Architectures

    An application relies on an Amazon RDS for MySQL database. The business requires an RTO of 5 minutes and an RPO of 5 minutes in the event of a complete region failure. Which disaster recovery strategy meets these requirements MOST cost-effectively?

    Answer options:

    A.

    Use AWS Backup to copy snapshots cross-region every 5 minutes.

    B.

    Implement an RDS cross-region read replica.

    C.

    Use Amazon Aurora Global Database.

    D.

    Deploy a multi-region active-active architecture.

    How to approach this question

    Balance the RPO/RTO requirements with cost-effectiveness.

    Full Answer

    B.Implement an RDS cross-region read replica.✓ Correct
    Implement an RDS cross-region read replica.
    Cross-region read replicas provide a warm standby DR strategy, meeting tight RPO/RTO requirements cost-effectively.

    Common mistakes

    Choosing active-active architectures for moderate RTO requirements.
    Question 24All questionsQuestion 26

    Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 3

    75 questions · hints · full answers · grading

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