Quick Answer
The answer is a Recovery Services vault, as it is the prerequisite resource that must be configured first to protect a virtual machine with Azure Backup. This vault acts as the centralized storage container for all backup data and recovery points, ensuring that even if the original VM is deleted, you can restore it from the vault’s retained snapshots. On the AZ-104 exam, this concept tests your understanding of the Azure Backup workflow: you cannot define a backup policy or initiate a backup job without first creating a Recovery Services vault. A common trap is assuming you can back up a VM directly from its blade without this foundational resource, or confusing the vault with a backup policy itself. Remember, the vault holds the data; the policy defines the schedule. A simple memory tip is “Vault first, backup second”—think of the vault as the safe that must exist before you can store anything inside it.
This AZ-104 practice question tests your understanding of deploy and manage azure compute. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
You need to ensure that a virtual machine is protected by Azure Backup and can be restored from centralized backup data if the VM is deleted. Which Azure resource should you configure first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
A Recovery Services vault
A Recovery Services vault is required to centrally manage Azure VM backups.
An availability set
Why wrong: An availability set improves resilience but does not provide backup protection.
A network security group
Why wrong: An NSG controls traffic and is unrelated to backup.
A public IP address
Why wrong: A public IP address is not required for configuring Azure Backup.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
A Recovery Services vault
A Recovery Services vault is the foundational Azure resource for Azure Backup. It stores backup data and recovery points, enabling centralized backup management and restoration even if the original VM is deleted. Without first configuring a Recovery Services vault, you cannot define backup policies or initiate backups for the VM.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
A Recovery Services vault
Why this is correct
A Recovery Services vault is required to centrally manage Azure VM backups.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
An availability set
Why it's wrong here
An availability set improves resilience but does not provide backup protection.
A network security group
Why it's wrong here
An NSG controls traffic and is unrelated to backup.
A public IP address
Why it's wrong here
A public IP address is not required for configuring Azure Backup.
Common exam traps
The trap here is that candidates may confuse high-availability resources (like availability sets) with backup/recovery resources, failing to recognize that a Recovery Services vault is the prerequisite for any Azure Backup operation.
Detailed technical explanation
Azure Backup uses the Recovery Services vault to store backup data in the form of recovery points, which are snapshots of the VM's disks. These snapshots are stored in the vault's geo-redundant storage (GRS) by default, ensuring durability even if the original VM is deleted. The backup policy defines the frequency and retention of recovery points, and the vault enables cross-region restore for disaster recovery scenarios.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Deploy and Manage Azure Compute — This question tests Deploy and Manage Azure Compute — Read the scenario before looking for a memorised answer..
The correct answer is: A Recovery Services vault — A Recovery Services vault is the foundational Azure resource for Azure Backup. It stores backup data and recovery points, enabling centralized backup management and restoration even if the original VM is deleted. Without first configuring a Recovery Services vault, you cannot define backup policies or initiate backups for the VM.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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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