- A
Azure Sentinel
Why wrong: SIEM solution for security incidents.
- B
Microsoft Defender for Cloud
Why wrong: Provides security recommendations.
- C
AKS node auto-repair
Automatically repairs unhealthy nodes.
- D
Azure Monitor
Why wrong: Only monitors, doesn't repair.
Question 494 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. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 Azure Kubernetes Service (AKS) cluster experiences node failures. Which Azure service provides automated node repair?
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
✓
AKS node auto-repair
C is correct because AKS node auto-repair is a built-in feature that automatically detects unhealthy nodes (based on Node Conditions like 'NotReady' or 'DiskPressure') and initiates repair actions such as reimaging the node. This feature is specific to AKS and operates at the cluster level without requiring external services.
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 Sentinel
Why it's wrong here
SIEM solution for security incidents.
- ✗
Microsoft Defender for Cloud
Why it's wrong here
Provides security recommendations.
- ✓
AKS node auto-repair
Why this is correct
Automatically repairs unhealthy nodes.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Monitor
Why it's wrong here
Only monitors, doesn't repair.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Azure Monitor's alerting capabilities or Microsoft Defender for Cloud's security recommendations with actual automated remediation, but neither service performs node-level repair actions in AKS.
Detailed technical explanation
How to think about this question
AKS node auto-repair works by monitoring the Kubernetes NodeCondition status every 10 minutes; if a node remains in a 'NotReady' state for more than 10 minutes, the repair controller triggers a reimage operation using the underlying Virtual Machine Scale Set (VMSS) instance. The repair process preserves the node's labels, taints, and system pods, but user pods are rescheduled by the Kubernetes scheduler. This feature is enabled by default in AKS clusters with version 1.24 and later, and can be configured via the '--enable-node-repair' flag during cluster creation.
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: AKS node auto-repair — C is correct because AKS node auto-repair is a built-in feature that automatically detects unhealthy nodes (based on Node Conditions like 'NotReady' or 'DiskPressure') and initiates repair actions such as reimaging the node. This feature is specific to AKS and operates at the cluster level without requiring external services.
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.
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Last reviewed: Jul 4, 2026
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