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AZ-305 · Question 35 · Domain 3.1: Design a Solution for Backup and Disaster Recovery
Your company uses Azure Backup to protect 100 Azure Virtual Machines.
The security team is concerned about ransomware attacks where an attacker might gain administrative access to Azure and maliciously delete the VM backups. You need to design a solution to ensure that even if an administrator deletes a backup, the data can still be recovered for at least 14 days.
Which feature should you enable?
Your company uses Azure Backup to protect 100 Azure Virtual Machines.
The security team is concerned about ransomware attacks where an attacker might gain administrative access to Azure and maliciously delete the VM backups. You need to design a solution to ensure that even if an administrator deletes a backup, the data can still be recovered for at least 14 days.
Which feature should you enable?
Answer options:
A.
Multi-user authorization (MUA) for Azure Backup
B.
Soft delete for Azure Backup
C.
Cross Region Restore (CRR)
D.
Azure Resource Locks
How to approach this question
Look for 'recover for at least 14 days after deletion'. This is the exact definition of the Soft Delete feature.
Full Answer
B.Soft delete for Azure Backup✓ Correct
Soft delete for Azure Backup
Soft delete for Azure Backup protects backup data from accidental or malicious deletion. Even if a user with administrative privileges deletes a backup item, the backup data is retained for 14 additional days, allowing it to be recovered. This is a critical defense against ransomware.
Common mistakes
Choosing Resource Locks. While locks prevent deletion, an attacker with admin rights can just delete the lock. Soft delete is enforced at the platform level.
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