- A
In the VM's network interface settings, because backup retention follows the NIC configuration.
Why wrong: Backup retention is not configured on the network interface, so changing the NIC has no effect on recovery point retention.
- B
In the backup policy associated with the Recovery Services vault.
Retention settings for Azure VM backups are controlled in the backup policy within the Recovery Services vault. The policy defines how often backups occur and how long recovery points are retained. To move from 7 days to 30 days of daily retention, the administrator updates the backup policy and applies it to the protected VM. This is the correct place because retention is a vault-level backup behavior, not a VM networking or storage setting.
- C
In Azure Policy, by assigning a retention compliance initiative to the subscription.
Why wrong: Azure Policy can audit or enforce configuration, but it does not directly change backup retention periods for Recovery Services vaults.
- D
In a storage account lifecycle rule attached to the VM disks.
Why wrong: Storage lifecycle rules manage blob tiering and deletion, not Azure Backup recovery point retention for virtual machines.
Quick Answer
The answer is in the backup policy associated with the Recovery Services vault. This is correct because the retention duration for Azure VM backups is a property of the backup policy itself, not the vault or the individual VM. The policy defines how long daily, weekly, monthly, and yearly recovery points are kept, so changing the retention from 7 to 30 days requires modifying that specific policy—either the default or a custom one—which then applies to all VMs linked to it. On the AZ-104 exam, this tests your understanding of the separation between the Recovery Services vault as a container and the backup policy as the rule set for retention and scheduling. A common trap is thinking you adjust retention directly on the vault or the VM’s backup blade, but the policy is the sole control point. Memory tip: “Policy sets the clock, the vault just holds the lock.”
AZ-104 Monitor and Maintain Azure Resources Practice Question
This AZ-104 practice question tests your understanding of monitor and maintain azure resources. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 currently keeps daily Azure VM recovery points for 7 days. The business changes the requirement to keep daily recovery points for 30 days. Where should the administrator change the setting?
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
In the backup policy associated with the Recovery Services vault.
The retention duration for Azure VM backups is configured within the backup policy that is associated with the Recovery Services vault. By modifying the backup policy (either the default policy or a custom policy), the administrator can change the retention setting from 7 days to 30 days for daily recovery points. This policy directly controls how long backup snapshots are retained, and the change takes effect for all VMs linked to that 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.
- ✗
In the VM's network interface settings, because backup retention follows the NIC configuration.
Why it's wrong here
Backup retention is not configured on the network interface, so changing the NIC has no effect on recovery point retention.
- ✓
In the backup policy associated with the Recovery Services vault.
Why this is correct
Retention settings for Azure VM backups are controlled in the backup policy within the Recovery Services vault. The policy defines how often backups occur and how long recovery points are retained. To move from 7 days to 30 days of daily retention, the administrator updates the backup policy and applies it to the protected VM. This is the correct place because retention is a vault-level backup behavior, not a VM networking or storage setting.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
In Azure Policy, by assigning a retention compliance initiative to the subscription.
Why it's wrong here
Azure Policy can audit or enforce configuration, but it does not directly change backup retention periods for Recovery Services vaults.
- ✗
In a storage account lifecycle rule attached to the VM disks.
Why it's wrong here
Storage lifecycle rules manage blob tiering and deletion, not Azure Backup recovery point retention for virtual machines.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse backup retention settings with storage lifecycle management or Azure Policy, assuming that retention can be controlled at the disk or subscription level, when in fact it is exclusively managed through the backup policy linked to the Recovery Services vault.
Detailed technical explanation
How to think about this question
Azure Backup uses the Recovery Services vault to store recovery points as snapshots in a separate, managed storage account (not the VM's own disks). The backup policy defines the retention duration for each type of recovery point (daily, weekly, monthly, yearly) using a Grandfather-Father-Son (GFS) retention model. When you modify the policy, existing recovery points are not retroactively deleted or extended; the new retention applies only to future backups, so the administrator must ensure the policy change is applied before the next scheduled backup to meet the 30-day requirement.
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
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
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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: In the backup policy associated with the Recovery Services vault. — The retention duration for Azure VM backups is configured within the backup policy that is associated with the Recovery Services vault. By modifying the backup policy (either the default policy or a custom policy), the administrator can change the retention setting from 7 days to 30 days for daily recovery points. This policy directly controls how long backup snapshots are retained, and the change takes effect for all VMs linked to that 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.
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Last reviewed: Jun 11, 2026
This AZ-104 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-104 exam.
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