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    PracticeAzure Solutions Architect Expert (AZ-305)Azure Solutions Architect Expert AZ-305 Practice Exam 3Question 19
    Medium1 markMultiple Choice
    Domain 2.1: Relational Data StorageDomain 2Relational DataAzure SQLHigh Availability

    AZ-305 · Question 19 · Domain 2.1: Relational Data Storage

    You are designing the high availability architecture for a mission-critical application backed by Azure SQL Database.

    The application requires:

    • Automatic failover to a secondary region if the primary region goes down.
    • The application connection string must NOT require updating after a failover occurs.
    • Multiple databases must fail over together simultaneously.

    Which feature should you implement?

    Answer options:

    A.

    Active Geo-Replication

    B.

    Auto-failover groups

    C.

    Zone-redundant configuration

    D.

    Azure Traffic Manager with SQL Data Sync

    How to approach this question

    Look for the feature that groups databases and provides a static listener endpoint for automatic cross-region failover.

    Full Answer

    B.Auto-failover groups✓ Correct
    Auto-failover groups
    Auto-failover groups allow you to manage the replication and failover of a group of databases on a server or all databases in a managed instance to another region. It provides a static read-write listener endpoint. When a failover occurs, DNS is automatically updated to point the listener to the secondary region, meaning application connection strings do not need to change.

    Common mistakes

    Confusing Active Geo-Replication with Auto-failover groups. Geo-replication is per-database and requires connection string management.
    Question 18All questionsQuestion 20

    Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 3

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