CKA Practice Question: Cluster Architecture, Installation and Configuration
This CKA practice question tests your understanding of cluster architecture, installation and configuration. 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.
You want to grant a user read-only access to all pods in the 'development' namespace. Which RBAC resource should you create?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Role in the development namespace with get, list, watch on pods
A Role in the 'development' namespace with get, list, watch on pods is correct because RBAC Roles are namespace-scoped and grant permissions only within that namespace. Since the requirement is read-only access to pods in a specific namespace, a Role is the appropriate resource to define these permissions.
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.
✗
ClusterRoleBinding with get, list, watch on pods
Why it's wrong here
ClusterRoleBinding grants cluster-wide access.
✓
Role in the development namespace with get, list, watch on pods
Why this is correct
Correct: Role scoped to namespace.
Related concept
Read the scenario before looking for a memorised answer.
✗
ClusterRole with get, list, watch on pods
Why it's wrong here
ClusterRole grants access across all namespaces unless bound with RoleBinding.
✗
RoleBinding referencing a ClusterRole that has get, list, watch on pods
Why it's wrong here
This would also grant access but requires extra steps; a Role is simpler and more direct.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Role vs ClusterRole and RoleBinding vs ClusterRoleBinding, thinking a ClusterRole is needed for any pod access, but the namespace scope of the requirement dictates a Role, not a ClusterRole.
Detailed technical explanation
How to think about this question
RBAC in Kubernetes uses Role and ClusterRole objects to define sets of permissions, and RoleBinding and ClusterRoleBinding to assign them to subjects. A Role is always scoped to a specific namespace, while a ClusterRole can be used across namespaces or for cluster-scoped resources. When you create a Role in the 'development' namespace with get, list, watch on pods, you are defining the exact permissions needed for that namespace only, which is the most precise and secure approach for namespace-scoped access.
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 practitioner preparing for the CKA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CKA question in full detail.
Cluster Architecture, Installation and Configuration — This question tests Cluster Architecture, Installation and Configuration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Role in the development namespace with get, list, watch on pods — A Role in the 'development' namespace with get, list, watch on pods is correct because RBAC Roles are namespace-scoped and grant permissions only within that namespace. Since the requirement is read-only access to pods in a specific namespace, a Role is the appropriate resource to define these permissions.
What should I do if I get this CKA 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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Question Discussion
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