The answer is AKS with Azure AD integration and Kubernetes RBAC, because this combination provides the complete mechanism for implementing role-based access control for Kubernetes cluster resources. Azure Kubernetes Service (AKS) integrates with Azure Active Directory (Azure AD) to handle user identity and authentication, while Kubernetes RBAC then authorizes specific actions against cluster objects like pods, namespaces, and deployments using Role and ClusterRole definitions. On the AZ-900 exam, this question tests your understanding of how Azure services layer security controls—specifically that AKS alone is not enough; you need both Azure AD for who you are and Kubernetes RBAC for what you can do. A common trap is choosing just “Kubernetes RBAC” without Azure AD, but remember that RBAC in Kubernetes only handles authorization, not identity. For a quick memory tip: think of Azure AD as the bouncer checking IDs at the door, and Kubernetes RBAC as the floor manager deciding which rooms you can enter.
AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. 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.
Which Azure service provides a way to implement role-based access control for Kubernetes cluster resources?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AKS with Azure AD integration and Kubernetes RBAC
B is correct because Azure Kubernetes Service (AKS) integrates with Azure Active Directory (Azure AD) to provide identity and authentication, and then uses Kubernetes RBAC (Role-Based Access Control) to authorize actions on cluster resources. This combination allows you to define fine-grained permissions for users, groups, or service principals against Kubernetes objects like pods, namespaces, and deployments, using standard Kubernetes Role and ClusterRole objects.
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 RBAC at the subscription level
Why it's wrong here
Azure RBAC controls AKS cluster management; Kubernetes RBAC controls what happens inside the cluster.
✓
AKS with Azure AD integration and Kubernetes RBAC
Why this is correct
AKS + Azure AD integration enables RBAC within Kubernetes based on Azure AD identities and groups.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Policy for Kubernetes
Why it's wrong here
Azure Policy for Kubernetes enforces compliance policies on pods; RBAC controls identity access.
✗
Network Security Groups on AKS node pools
Why it's wrong here
NSGs control network traffic; Kubernetes RBAC controls identity access to Kubernetes resources.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure RBAC (which controls Azure resource management) with Kubernetes RBAC (which controls Kubernetes API permissions), and assume subscription-level RBAC can manage Kubernetes cluster resources directly.
Detailed technical explanation
How to think about this question
Under the hood, AKS with Azure AD integration uses the kube-apiserver's webhook token authentication to validate Azure AD tokens, and then Kubernetes RBAC evaluates the user's identity against RoleBindings and ClusterRoleBindings. A subtle behavior is that you can also combine Azure RBAC with Kubernetes RBAC using 'Azure RBAC for Kubernetes Authorization' (preview), which allows managing Kubernetes permissions via Azure role definitions, but the core mechanism for cluster-level access control remains Kubernetes RBAC. In a real-world scenario, a DevOps team might grant a developer 'edit' access to a specific namespace via a Kubernetes RoleBinding, while an admin gets cluster-wide 'cluster-admin' access via a ClusterRoleBinding.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AKS with Azure AD integration and Kubernetes RBAC — B is correct because Azure Kubernetes Service (AKS) integrates with Azure Active Directory (Azure AD) to provide identity and authentication, and then uses Kubernetes RBAC (Role-Based Access Control) to authorize actions on cluster resources. This combination allows you to define fine-grained permissions for users, groups, or service principals against Kubernetes objects like pods, namespaces, and deployments, using standard Kubernetes Role and ClusterRole objects.
What should I do if I get this AZ-900 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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