The correct answer is to use the AKS cluster's managed identity with the AcrPull role assignment. This approach works because a managed identity provides an Azure Active Directory identity for the AKS cluster itself, allowing it to authenticate with Azure Container Registry without storing any credentials or secrets. By assigning the AcrPull role to that identity, you grant the cluster permission to pull images securely, following the principle of least privilege. On the AZ-204 exam, this scenario tests your understanding of modern, password-less authentication patterns for container workloads—a common trap is choosing the admin account option, which is insecure and not recommended for production. Remember that managed identities are the preferred method for Azure resources to access other Azure services, and the AcrPull role is the minimum permission needed for image deployment. A helpful memory tip: think "AKS pulls ACR images using its own ID, not a password."
AZ-204 Develop Azure compute solutions Practice Question
This AZ-204 practice question tests your understanding of develop azure compute solutions. 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 are developing a solution that uses Azure Container Registry (ACR) to store Docker images. You need to ensure that only authorized users can deploy images from ACR to an AKS cluster. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the AKS cluster's managed identity with AcrPull role assignment.
Option D is correct because using a managed identity for AKS and assigning AcrPull role on ACR provides secure, password-less authentication. Option A is wrong because admin account is not recommended. Option B is wrong because AKS cannot use username/password directly. Option C is wrong because namespace roles do not control ACR access.
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.
✗
Configure AKS RBAC to limit image pull permissions.
Why it's wrong here
AKS RBAC controls Kubernetes resources, not ACR.
✗
Use Kubernetes secrets to store ACR credentials.
Why it's wrong here
Kubernetes secrets require manual rotation.
✓
Use the AKS cluster's managed identity with AcrPull role assignment.
Why this is correct
Managed identity provides secure access without secrets.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable the admin account on ACR and use the credentials in AKS.
Why it's wrong here
Admin account is not recommended for security.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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-204 question in full detail.
Identify which AZ-204 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the AKS cluster's managed identity with AcrPull role assignment. — Option D is correct because using a managed identity for AKS and assigning AcrPull role on ACR provides secure, password-less authentication. Option A is wrong because admin account is not recommended. Option B is wrong because AKS cannot use username/password directly. Option C is wrong because namespace roles do not control ACR access.
What should I do if I get this AZ-204 question wrong?
Identify which AZ-204 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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