Question 38 of 1,170

Monitor and Maintain Azure Resources →mediumMultiple SelectObjective-mapped

Quick Answer

The answer is to verify that the VM agent is installed and running, and to confirm that outbound HTTPS access to the required Azure Backup and Storage endpoints is allowed. This is correct because the Azure VM Agent acts as the communication bridge between the Azure platform and the guest operating system; without it, the Backup service cannot initiate the snapshot orchestration required for a successful job. On the AZ-104 exam, this scenario tests your understanding of prerequisite dependencies for Azure Backup, often appearing as a troubleshooting question where the agent status appears healthy but network rules block the necessary traffic. A common trap is assuming the agent is the sole culprit—many candidates forget that even a running agent fails if firewall or NSG rules deny outbound connectivity to the *.backup.windowsazure.com and *.blob.core.windows.net endpoints. Memory tip: think “Agent + Access” — the agent must be alive, and the network must allow the backup traffic to flow.

AZ-104 Monitor and Maintain Azure Resources Practice Question

This AZ-104 practice question tests your understanding of monitor and maintain azure resources. 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.

Every backup job for a newly deployed Azure VM fails immediately and reports that the VM agent is not ready. Which two checks should the administrator perform first? Select two.

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.
Clue: "immediately / without restart"
Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.

Question 1mediummulti select

Full question →

A
Verify that the Azure VM Agent is installed and the service is running inside the guest.
A healthy VM agent is required for Azure Backup to coordinate with the guest operating system.
B
Verify that outbound HTTPS access to the required Azure Backup and Storage endpoints is allowed.
Azure Backup needs network connectivity to Azure services so the backup workflow can complete successfully.
C
Increase the recovery point retention in the backup policy.
Why wrong: Retention settings do not affect whether the VM agent is ready to participate in backup operations.
D
Recreate the Recovery Services vault in another region.
Why wrong: The vault location is not the root cause of a VM agent readiness error on a single new VM.
E
Disable the backup policy until the VM is rebooted several times.
Why wrong: Turning off the policy does not fix the underlying agent or connectivity issue that causes the immediate failure.

Full breakdown with real-world context →

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

✓

Verify that the Azure VM Agent is installed and the service is running inside the guest.

The Azure VM Agent is required for the Azure Backup service to communicate with the VM and orchestrate snapshot operations. If the agent is not installed or the service (Windows: WindowsAzureGuestAgent, Linux: waagent) is not running, backup jobs will fail immediately with the 'agent not ready' error. Verifying agent status is the first logical step because without a functioning agent, no backup can proceed.

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.

✓
Verify that the Azure VM Agent is installed and the service is running inside the guest.
Why this is correct
A healthy VM agent is required for Azure Backup to coordinate with the guest operating system.
Clue confirmation
The clue words "first", "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✓
Verify that outbound HTTPS access to the required Azure Backup and Storage endpoints is allowed.
Why this is correct
Azure Backup needs network connectivity to Azure services so the backup workflow can complete successfully.
Clue confirmation
The clue words "first", "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the recovery point retention in the backup policy.
Why it's wrong here
Retention settings do not affect whether the VM agent is ready to participate in backup operations.
✗
Recreate the Recovery Services vault in another region.
Why it's wrong here
The vault location is not the root cause of a VM agent readiness error on a single new VM.
✗
Disable the backup policy until the VM is rebooted several times.
Why it's wrong here
Turning off the policy does not fix the underlying agent or connectivity issue that causes the immediate failure.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often jump to network connectivity (Option B) as the sole cause, forgetting that the agent must be installed and running first—without it, even perfect network access will not fix the backup failure.

Detailed technical explanation

How to think about this question

The Azure VM Agent (Guest Agent) is a lightweight process that runs inside the VM and enables interaction with the Azure Fabric Controller for extensions, including the Backup extension (IaaSBcdrExtension). The agent communicates over HTTPS (port 443) to Azure Storage and Backup endpoints to upload snapshots; if outbound access is blocked, the agent may appear 'ready' but backup will still fail. The 'agent not ready' error specifically indicates the agent is either missing, stopped, or unresponsive, which is distinct from a network connectivity failure.

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.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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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: Verify that the Azure VM Agent is installed and the service is running inside the guest. — The Azure VM Agent is required for the Azure Backup service to communicate with the VM and orchestrate snapshot operations. If the agent is not installed or the service (Windows: WindowsAzureGuestAgent, Linux: waagent) is not running, backup jobs will fail immediately with the 'agent not ready' error. Verifying agent status is the first logical step because without a functioning agent, no backup can proceed.

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.

Are there clue words in this question I should notice?

Yes — watch for: "first", "immediately / without restart". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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