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 are applying the following RBAC manifest:
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
namespace: development
name: pod-reader
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "watch", "list"]
Which TWO statements are true about this Role? (Choose TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It allows reading pod details in the 'development' namespace
Option B is correct because the Role explicitly defines rules for the 'pods' resource with verbs 'get', 'watch', and 'list' in the 'development' namespace. These verbs allow reading pod details such as their specifications, status, and metadata. The Role is scoped to the 'development' namespace, so it only grants these read permissions within that namespace.
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.
✗
It also grants access to secrets in the 'development' namespace
Why it's wrong here
The rule only specifies 'pods' resource, not secrets.
✓
It allows reading pod details in the 'development' namespace
Why this is correct
The verbs 'get', 'watch', 'list' are read operations on pods.
Related concept
Read the scenario before looking for a memorised answer.
✗
It grants permissions across all namespaces
Why it's wrong here
A Role is namespaced; a ClusterRole would be required for cluster-wide access.
✓
It grants permissions only within the 'development' namespace
Why this is correct
Roles are namespaced and apply only to the namespace specified.
Related concept
Read the scenario before looking for a memorised answer.
✗
It allows creating pods in the 'development' namespace
Why it's wrong here
The verbs do not include 'create', so pod creation is not allowed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse a Role with a ClusterRole, mistakenly thinking a Role can grant permissions across all namespaces, or they assume that granting access to 'pods' implicitly grants access to related resources like secrets or logs.
Detailed technical explanation
How to think about this question
In Kubernetes RBAC, a Role defines permissions within a specific namespace, while a ClusterRole defines permissions cluster-wide or across all namespaces. The apiGroups field with an empty string ('') refers to the core API group, which includes resources like pods, services, and secrets. The verbs 'get', 'watch', and 'list' are read-only operations; 'create', 'update', 'patch', and 'delete' are write operations. A common real-world scenario is using such a Role to allow monitoring tools to read pod logs or status without granting write access, ensuring least-privilege security.
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 junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.
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: It allows reading pod details in the 'development' namespace — Option B is correct because the Role explicitly defines rules for the 'pods' resource with verbs 'get', 'watch', and 'list' in the 'development' namespace. These verbs allow reading pod details such as their specifications, status, and metadata. The Role is scoped to the 'development' namespace, so it only grants these read permissions within that namespace.
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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