- A
Azure Service Health
Why wrong: Service Health notifies about Azure outages, not deployment errors.
- B
Azure Monitor
Azure Monitor can detect error rates and trigger alerts that can be used by Azure DevOps for rollback.
- C
Azure Traffic Manager
Why wrong: Traffic Manager routes traffic, not rollback.
- D
Azure Policy
Why wrong: Azure Policy enforces compliance rules, not rollback.
Question 535 of 997
AZ-204 Practice Question: Monitor, troubleshoot, and optimize Azure solutions
This AZ-204 practice question tests your understanding of monitor, troubleshoot, and optimize azure solutions. 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.
Your team is using Azure DevOps to deploy an Azure Kubernetes Service (AKS) cluster. You want to automatically roll back a deployment if the new version causes a high error rate. Which Azure service should you use to implement this?
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
✓
Azure Monitor
Azure Monitor, specifically Application Insights, can be configured with alert rules that trigger on metrics like server error rate. When the error rate exceeds a threshold, an Azure Monitor alert can invoke an Azure Automation runbook or a webhook to initiate a Kubernetes rollback via `kubectl rollout undo` or a Helm rollback. This provides automated, event-driven rollback without manual intervention.
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.
- ✗
Azure Service Health
Why it's wrong here
Service Health notifies about Azure outages, not deployment errors.
- ✓
Azure Monitor
Why this is correct
Azure Monitor can detect error rates and trigger alerts that can be used by Azure DevOps for rollback.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Traffic Manager
Why it's wrong here
Traffic Manager routes traffic, not rollback.
- ✗
Azure Policy
Why it's wrong here
Azure Policy enforces compliance rules, not rollback.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Monitor (which monitors application metrics and can trigger automated actions) with Azure Service Health (which only monitors Azure platform health, not your application's error rate).
Detailed technical explanation
How to think about this question
Under the hood, Azure Monitor alerts use a multi-signal approach: you can create a metric alert on the `requests/failed` count from Application Insights, set a dynamic threshold, and configure an action group with a webhook to a Kubernetes operator or a Logic App that runs `kubectl rollout undo deployment/<name>`. In a real-world scenario, this pattern is often combined with a canary deployment where only a small percentage of traffic hits the new version; if the error rate spikes, the alert fires and automatically reverts the canary, preventing full outage.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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-204 question test?
Monitor, troubleshoot, and optimize Azure solutions — This question tests Monitor, troubleshoot, and optimize Azure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Monitor — Azure Monitor, specifically Application Insights, can be configured with alert rules that trigger on metrics like server error rate. When the error rate exceeds a threshold, an Azure Monitor alert can invoke an Azure Automation runbook or a webhook to initiate a Kubernetes rollback via `kubectl rollout undo` or a Helm rollback. This provides automated, event-driven rollback without manual intervention.
What should I do if I get this AZ-204 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: Jul 4, 2026
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