- A
Edit the existing policy so all protected VMs inherit 30-day retention.
Why wrong: Changing the existing policy would affect every VM assigned to it, which breaks the requirement.
- B
Create a second backup policy with 30-day retention and assign only the finance VM to it.
Backup policy settings apply to the items associated with that policy. To give one VM a longer retention period without changing the others, the administrator should create a separate policy and assign only the finance VM to that policy. This preserves the standard 7-day policy for the rest of the fleet while meeting the special retention requirement.
- C
Move the finance VM to another resource group so it gets different retention automatically.
Why wrong: Resource group placement does not control Azure Backup retention behavior for protected VMs.
- D
Apply a resource lock to the finance VM to preserve its recovery points longer.
Why wrong: Resource locks prevent management actions, but they do not change backup retention or policy behavior.
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 Recovery Services vault protects 40 VMs by using one daily backup policy that retains recovery points for 7 days. One finance VM must keep daily recovery points for 30 days, but the other VMs should remain on the 7-day policy. What should the administrator do?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create a second backup policy with 30-day retention and assign only the finance VM to it.
Option B is correct because Azure Backup allows multiple backup policies within a single Recovery Services vault, and you can assign different policies to different VMs. By creating a second policy with 30-day retention and assigning only the finance VM to it, the administrator meets the requirement without affecting the other 39 VMs that continue using the existing 7-day policy.
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.
- ✗
Edit the existing policy so all protected VMs inherit 30-day retention.
Why it's wrong here
Changing the existing policy would affect every VM assigned to it, which breaks the requirement.
When this WOULD be correct
If the requirement were to apply the same retention period to all protected VMs (e.g., all VMs must retain daily recovery points for 30 days), then editing the existing policy would be the correct approach.
- ✓
Create a second backup policy with 30-day retention and assign only the finance VM to it.
Why this is correct
Backup policy settings apply to the items associated with that policy. To give one VM a longer retention period without changing the others, the administrator should create a separate policy and assign only the finance VM to that policy. This preserves the standard 7-day policy for the rest of the fleet while meeting the special retention requirement.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Move the finance VM to another resource group so it gets different retention automatically.
Why it's wrong here
Resource group placement does not control Azure Backup retention behavior for protected VMs.
When this WOULD be correct
If the question asked about isolating a VM for management purposes, such as applying different RBAC permissions or tags, moving to another resource group would be correct.
- ✗
Apply a resource lock to the finance VM to preserve its recovery points longer.
Why it's wrong here
Resource locks prevent management actions, but they do not change backup retention or policy behavior.
When this WOULD be correct
A resource lock would be correct if the question asked how to prevent accidental deletion of a VM or its backup data, or to ensure that existing recovery points are not removed by administrative actions, while the backup policy remains unchanged.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓Create a second backup policy with 30-day retention and assign only the finance VM to it.Correct answer▾
Why this is correct
Backup policy settings apply to the items associated with that policy. To give one VM a longer retention period without changing the others, the administrator should create a separate policy and assign only the finance VM to that policy. This preserves the standard 7-day policy for the rest of the fleet while meeting the special retention requirement.
✗Edit the existing policy so all protected VMs inherit 30-day retention.Wrong answer — click to see why▾
Why this is wrong here
Editing the existing policy to 30-day retention would apply the change to all 40 VMs, not just the finance VM, violating the requirement to keep other VMs on the 7-day policy.
★ When this WOULD be the correct answer
If the requirement were to apply the same retention period to all protected VMs (e.g., all VMs must retain daily recovery points for 30 days), then editing the existing policy would be the correct approach.
Why candidates choose this
Candidates may think editing the existing policy is simpler and assume they can selectively apply changes, not realizing that backup policies in Recovery Services vaults are applied to all associated items unless multiple policies are used.
✗Move the finance VM to another resource group so it gets different retention automatically.Wrong answer — click to see why▾
Why this is wrong here
Moving a VM to a different resource group does not change its backup policy or retention settings; backup policies are assigned per vault, not per resource group.
★ When this WOULD be the correct answer
If the question asked about isolating a VM for management purposes, such as applying different RBAC permissions or tags, moving to another resource group would be correct.
Why candidates choose this
Candidates may incorrectly assume that resource groups can be used to separate backup configurations, confusing resource group boundaries with policy assignment boundaries.
✗Apply a resource lock to the finance VM to preserve its recovery points longer.Wrong answer — click to see why▾
Why this is wrong here
A resource lock prevents deletion or modification of the VM or its backup data, but it does not extend the retention period of recovery points. The backup policy still deletes points after 7 days regardless of the lock.
★ When this WOULD be the correct answer
A resource lock would be correct if the question asked how to prevent accidental deletion of a VM or its backup data, or to ensure that existing recovery points are not removed by administrative actions, while the backup policy remains unchanged.
Why candidates choose this
Candidates may mistakenly think that locking a resource preserves its backup data longer, confusing protection against deletion with retention policy configuration.
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think a single vault can only have one backup policy, or that moving a VM to another resource group or applying a resource lock will affect backup retention, when in fact backup policies are independent of resource groups and locks only protect the resource, not its backup data.
Detailed technical explanation
How to think about this question
Azure Backup policies consist of a schedule and a retention rule, and each policy can define multiple retention points (daily, weekly, monthly, yearly). When you assign a policy to a VM, the backup service applies the policy's retention rules to that VM's recovery points; changing the policy assignment is the only way to alter retention for a specific VM. In a real-world scenario, you might have compliance requirements for specific VMs (e.g., finance or audit VMs) that demand longer retention, while other VMs can use a shorter, cost-optimized policy.
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.
What to study next
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FAQ
Questions learners often ask
What does this AZ-104 question test?
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: Create a second backup policy with 30-day retention and assign only the finance VM to it. — Option B is correct because Azure Backup allows multiple backup policies within a single Recovery Services vault, and you can assign different policies to different VMs. By creating a second policy with 30-day retention and assigning only the finance VM to it, the administrator meets the requirement without affecting the other 39 VMs that continue using the existing 7-day policy.
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.
About these practice questions
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Last reviewed: Jun 11, 2026
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