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    PracticeAWS Solutions Architect Associate (SAA-C03)AWS SAA-C03 Practice Exam 1Question 47
    Hard1 markMultiple Choice
    Domain 3.3: Database PerformanceDomain 3PerformanceAuroraServerless

    AWS SAA-C03 · Question 47 · Domain 3.3: Database Performance

    A company is developing a new SaaS application. The database workload is highly unpredictable, with periods of zero activity followed by sudden, massive spikes in traffic. The company wants a relational database that scales compute capacity instantly to meet demand and scales down to save costs. Which TWO database options meet these requirements? (Select TWO.)

    Answer options:

    A.

    Amazon RDS for PostgreSQL with Auto Scaling

    B.

    Amazon Aurora Serverless v2 (PostgreSQL-compatible)

    C.

    Amazon DynamoDB On-Demand

    D.

    Amazon Aurora Serverless v2 (MySQL-compatible)

    E.

    Amazon Redshift Serverless

    How to approach this question

    Identify the need for a 'relational database' that scales compute 'instantly'. This is Aurora Serverless (both MySQL and PostgreSQL flavors).

    Full Answer

    Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora. It automatically starts up, shuts down, and scales capacity up or down based on your application's needs. It is available in both MySQL-compatible and PostgreSQL-compatible editions.

    Common mistakes

    Choosing DynamoDB, missing the 'relational database' requirement. Choosing RDS Auto Scaling, which only scales storage.
    Question 46All questionsQuestion 48

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