The answer is a diagnostic setting. This configuration is correct because it acts as the bridge between the VM’s guest operating system and the Log Analytics workspace, defining which event logs (System, Application, Security) to stream and where to send them. On the AZ-104 exam, this tests your understanding of the Azure Monitor Agent (AMA) workflow: you must first install the agent on the VM, then create a data collection rule (DCR) or a diagnostic setting to route the guest logs to the workspace. A common trap is confusing host-level metrics (which use a different diagnostic setting on the VM resource itself) with guest OS logs, which require the agent and a separate log destination configuration. Remember the key sequence: agent first, then diagnostic setting or DCR to specify the logs and workspace. A useful memory tip is “Agent, then Route” — install the agent, then configure the route for the logs 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.
An administrator wants to send a virtual machine's guest logs to a central workspace so they can search them later with queries. Which configuration should be created on the VM or its resource provider 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A diagnostic setting
A diagnostic setting is the correct configuration because it enables the streaming of guest OS logs (e.g., System, Application, Security event logs) from an Azure virtual machine to a Log Analytics workspace. This is done by installing the Azure Monitor Agent (AMA) or legacy Log Analytics agent on the VM and then configuring a data collection rule or diagnostic setting to specify which logs to send and the destination workspace. Without this setting, the VM's guest logs remain local and cannot be queried centrally.
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.
✗
A role assignment at the subscription scope
Why it's wrong here
RBAC controls access permissions, but it does not export logs into Log Analytics.
✓
A diagnostic setting
Why this is correct
A diagnostic setting routes platform or guest log data from the resource to a destination such as a Log Analytics workspace.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
A private endpoint
Why it's wrong here
A private endpoint changes network access to a service, not log collection behavior.
✗
A lock on the VM resource group
Why it's wrong here
A lock prevents unwanted changes, but it does not collect or forward logs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a diagnostic setting with a role assignment, thinking that granting permissions (RBAC) is the first step to enable log collection, but in reality, the diagnostic setting is the specific configuration that defines what logs to send and where.
Detailed technical explanation
How to think about this question
Under the hood, the diagnostic setting creates a data collection rule (DCR) that defines which data sources (e.g., Windows Event Log, Syslog, performance counters) to collect and the destination (e.g., Log Analytics workspace, Azure Storage, Event Hubs). The Azure Monitor Agent (AMA) on the VM reads this DCR and sends the data via HTTPS to the workspace's ingestion endpoint. A subtle behavior is that the diagnostic setting must be configured at the VM resource level, not at the subscription or resource group, and it requires the AMA to be installed and running for guest OS logs to be forwarded.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: A diagnostic setting — A diagnostic setting is the correct configuration because it enables the streaming of guest OS logs (e.g., System, Application, Security event logs) from an Azure virtual machine to a Log Analytics workspace. This is done by installing the Azure Monitor Agent (AMA) or legacy Log Analytics agent on the VM and then configuring a data collection rule or diagnostic setting to specify which logs to send and the destination workspace. Without this setting, the VM's guest logs remain local and cannot be queried centrally.
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". 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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