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    PracticeAzure Solutions Architect Expert (AZ-305)Azure Solutions Architect Expert AZ-305 Practice Exam 2Question 33
    Medium1 markMultiple Choice
    Domain 3.1: Backup and Disaster RecoveryDomain 3Azure BackupSecurityRansomware

    AZ-305 · Question 33 · Domain 3.1: Backup and Disaster Recovery

    A financial company uses Azure Blob Storage to store immutable audit logs.

    Recently, a compromised administrator account was used to maliciously delete several storage accounts and their associated backups.

    You need to design a solution to protect against this specific ransomware/malicious insider threat. The solution must ensure that even a user with the highest administrative privileges cannot delete the backup data before a specified retention period expires.

    What should you configure?

    Answer options:

    A.

    Soft delete for Azure Backup

    B.

    Multi-user authorization (MUA) for Azure Backup

    C.

    Azure Resource Locks (CanNotDelete)

    D.

    Customer-managed keys (CMK) for encryption

    How to approach this question

    Identify the feature that requires a 'two-man rule' for destructive actions.

    Full Answer

    B.Multi-user authorization (MUA) for Azure Backup✓ Correct
    Multi-user authorization (MUA) for Azure Backup
    Multi-user authorization (MUA) for Azure Backup adds an extra layer of protection to critical operations. It uses an Azure Resource Guard to ensure that destructive operations (like deleting backup data or disabling soft delete) require authorization from a different identity, often residing in a completely separate Azure AD tenant. This 'two-man rule' prevents a single compromised admin account from destroying backups.

    Common mistakes

    Choosing Resource Locks or Soft Delete. A compromised admin with Owner rights can easily disable soft delete or remove resource locks.
    Question 32All questionsQuestion 34

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