The answer is Azure Backup with a Recovery Services vault. This solution is correct because it provides centralized backup management and configurable retention policies, storing backups in a separate vault that survives VM deletion or corruption, while using the Volume Shadow Copy Service (VSS) for application-consistent restore points. On the AZ-104 exam, this scenario tests your understanding that Azure Backup, not manual snapshots, is the proper tool for enterprise-grade VM protection with policy-driven retention—a common trap is choosing snapshot-based options that lack centralized management and long-term retention. Remember the key distinction: snapshots are tied to the VM’s lifecycle, while a Recovery Services vault decouples the backup from the source, ensuring recoverability even after the VM is gone. Memory tip: think “Vault for Value” — if you need centralized control and retention policies, always pick the Recovery Services vault over raw snapshots.
AZ-104 Deploy and Manage Azure Compute Practice Question
This AZ-104 practice question tests your understanding of deploy and manage azure compute. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A virtual machine named VM-App01 hosts a critical internal application. You need to protect the VM so that it can be restored if the VM is deleted or corrupted. The solution must provide centralized backup management and retention policies. What should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Backup with a Recovery Services vault.
Azure Backup with a Recovery Services vault is the correct choice because it provides centralized backup management, configurable retention policies, and the ability to restore a VM even if it is deleted or corrupted. Unlike snapshots, Azure Backup stores backups in a separate vault, supports application-consistent backups via the Volume Shadow Copy Service (VSS), and offers long-term retention with backup policies.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Azure Backup with a Recovery Services vault.
Why this is correct
This provides centralized VM protection, retention policies, and restore capabilities.
Related concept
Read the scenario before looking for a memorised answer.
✗
Managed disk snapshots only.
Why it's wrong here
Snapshots can help with point-in-time recovery but do not provide the same centralized backup management and retention capabilities.
✗
Azure Site Recovery only.
Why it's wrong here
Site Recovery is focused on replication and disaster recovery rather than standard backup retention management.
✗
Boot diagnostics.
Why it's wrong here
Boot diagnostics helps troubleshoot VM startup problems and does not protect VM data for restore.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Backup (for backup and retention) with Azure Site Recovery (for disaster recovery), or assume that disk snapshots alone are sufficient for full VM recovery, ignoring the need for centralized management and retention policies.
Detailed technical explanation
How to think about this question
Azure Backup uses the Backup Extension (VMSnapshot or VMSnapshotLinux) to take crash-consistent or application-consistent snapshots, which are then transferred to the Recovery Services vault. The vault provides geo-redundant storage (GRS) by default, ensuring backups survive regional failures, and supports soft delete to protect against accidental deletion of backup data. In a real-world scenario, if VM-App01 is deleted, Azure Backup can restore the entire VM (including disks, network interfaces, and tags) from the latest recovery point, whereas snapshots alone would require manual re-creation of the VM configuration.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-104 question in full detail.
Deploy and Manage Azure Compute — This question tests Deploy and Manage Azure Compute — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Backup with a Recovery Services vault. — Azure Backup with a Recovery Services vault is the correct choice because it provides centralized backup management, configurable retention policies, and the ability to restore a VM even if it is deleted or corrupted. Unlike snapshots, Azure Backup stores backups in a separate vault, supports application-consistent backups via the Volume Shadow Copy Service (VSS), and offers long-term retention with backup policies.
What should I do if I get this AZ-104 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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