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    PracticeAzure Solutions Architect Expert (AZ-305)Azure Solutions Architect Expert AZ-305 Practice Exam 5Question 34
    Medium1 markMultiple Choice
    Domain 3.1: Backup and Disaster RecoveryDomain 3BackupSecurityRansomware

    AZ-305 · Question 34 · Domain 3.1: Backup and Disaster Recovery

    Your company recently suffered a ransomware attack on-premises. To prevent this in Azure, the CISO mandates that all Azure VM backups must be protected against malicious deletion.

    If an attacker compromises an administrator account and attempts to delete the backup data, the data must be retained for at least 14 days, and the deletion must be reversible. Additionally, you must ensure that no one, not even a global administrator, can disable this protection mechanism.

    Which two features should you configure on the Recovery Services vault?

    Answer options:

    A.

    Soft delete and Multi-user authorization (MUA)

    B.

    Soft delete and Immutable vault

    C.

    Resource locks and Azure Policy

    D.

    Cross Region Restore (CRR) and Soft delete

    How to approach this question

    Identify the feature that retains deleted data (Soft delete) and the feature that locks the vault settings permanently (Immutable vault).

    Full Answer

    B.Soft delete and Immutable vault✓ Correct
    To protect against ransomware and malicious insiders, Azure Backup provides 'Soft delete', which retains backup data for 14 days after a delete operation is performed, allowing it to be recovered. However, a compromised admin could theoretically disable soft delete and then delete the data. To prevent this, you enable the 'Immutable vault' feature. Once locked, Immutable vault ensures that soft delete cannot be disabled, and retention periods cannot be reduced, by anyone.

    Common mistakes

    Relying on Resource Locks. A compromised administrator can simply delete the resource lock and then delete the vault.
    Question 33All questionsQuestion 35

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