The correct answer is to use the file recovery option from the Recovery Services vault for the relevant recovery point. This approach works because Azure Backup’s file recovery feature mounts the selected recovery point as a network drive directly onto the running Windows VM, allowing you to browse and copy the missing application file without taking the VM offline or performing a full VM restore. On the AZ-104 exam, this scenario tests your understanding of granular recovery options within Azure Backup, often appearing as a distractor against full VM restore or disk-level restore—both of which would require downtime. A common trap is assuming you must stop the VM to attach a restore disk, but the file recovery mount operates over iSCSI while the VM remains active. For a quick memory tip, think “mount, don’t stop”—the file recovery option mounts the backup as a drive on the live VM, so you can grab the file and go.
AZ-104 Monitor and Maintain Azure Resources Practice Question
This AZ-104 practice question tests your understanding of monitor and maintain azure resources. 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 Windows VM protected by Azure Backup is missing one application file, but the VM must stay online during recovery. Which restore approach should the administrator use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the file recovery option from the Recovery Services vault for the relevant recovery point
Azure Backup's file recovery option allows you to mount a recovery point as a drive on the running VM without restoring the entire VM or taking it offline. This enables you to copy the missing application file directly from the backup while the VM remains operational, meeting the requirement to stay online.
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.
✗
Restore the entire VM to a new deployment and then copy the file back
Why it's wrong here
This is unnecessarily disruptive when only a single file needs to be recovered.
✓
Use the file recovery option from the Recovery Services vault for the relevant recovery point
Why this is correct
File recovery lets you mount a backup recovery point and copy back only the missing file while the VM continues running.
Related concept
Read the scenario before looking for a memorised answer.
✗
Trigger an Azure Site Recovery failover to a recovery region
Why it's wrong here
Site Recovery is for disaster recovery and failover, not for restoring one deleted file.
✗
Create a new backup policy with a shorter retention period and run the next scheduled backup
Why it's wrong here
Changing retention does not recover the deleted file, and waiting for the next backup delays the fix.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Azure Backup's file-level recovery with Azure Site Recovery's failover, or assume that a full VM restore is the only way to access individual files, overlooking the granular mount capability.
Detailed technical explanation
How to think about this question
The file recovery option uses a script (available via the Recovery Services vault) that mounts the backup's VHD as an iSCSI target on the VM. This mount is read-only and temporary, typically lasting 12 hours, allowing you to browse and copy files without any downtime. The underlying mechanism leverages Azure's snapshot and restore infrastructure to present the point-in-time disk state directly to the running OS.
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.
Monitor and Maintain Azure Resources — This question tests Monitor and Maintain Azure Resources — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the file recovery option from the Recovery Services vault for the relevant recovery point — Azure Backup's file recovery option allows you to mount a recovery point as a drive on the running VM without restoring the entire VM or taking it offline. This enables you to copy the missing application file directly from the backup while the VM remains operational, meeting the requirement to stay online.
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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