CKAD Practice Question: Application Environment, Configuration and Security
This CKAD practice question tests your understanding of application environment, configuration and security. 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.
A ClusterRole named 'pod-reader' allows get, list, and watch on pods. A RoleBinding 'read-pods' in namespace 'default' binds this ClusterRole to user 'jane'. Which statement is true?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
User 'jane' can read pods only in the 'default' namespace
A RoleBinding in a specific namespace binds a ClusterRole to a subject only within that namespace. Since the RoleBinding 'read-pods' is in the 'default' namespace, user 'jane' receives the permissions defined in the 'pod-reader' ClusterRole (get, list, watch on pods) only within the 'default' namespace, not across all namespaces.
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.
✗
User 'jane' can read pods in all namespaces because ClusterRole is cluster-scoped
Why it's wrong here
RoleBinding only grants permissions in its own namespace, even when binding a ClusterRole.
✗
The RoleBinding must be changed to a ClusterRoleBinding for it to work
Why it's wrong here
RoleBinding can bind a ClusterRole; no change is needed.
✗
User 'jane' can read pods and also delete them because ClusterRole gives full access
Why it's wrong here
The ClusterRole only allows get, list, and watch; not delete.
✓
User 'jane' can read pods only in the 'default' namespace
Why this is correct
A RoleBinding grants permissions in its namespace only. The ClusterRole provides the rules, but the scope is limited by the RoleBinding.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume a ClusterRole always grants cluster-wide permissions, forgetting that a RoleBinding scopes those permissions to a single namespace, while a ClusterRoleBinding is needed for true cluster-wide access.
Detailed technical explanation
How to think about this question
In Kubernetes RBAC, a RoleBinding can reference a ClusterRole to grant its permissions within a specific namespace, effectively scoping the ClusterRole's rules to that namespace. This is a common pattern for reusing cluster-wide roles (e.g., 'view', 'edit') in individual namespaces without creating duplicate Role objects. The binding's namespace determines the scope, not the ClusterRole's scope; a ClusterRoleBinding would grant the permissions across all namespaces.
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 CKAD 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 CKAD question in full detail.
Application Environment, Configuration and Security — This question tests Application Environment, Configuration and Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: User 'jane' can read pods only in the 'default' namespace — A RoleBinding in a specific namespace binds a ClusterRole to a subject only within that namespace. Since the RoleBinding 'read-pods' is in the 'default' namespace, user 'jane' receives the permissions defined in the 'pod-reader' ClusterRole (get, list, watch on pods) only within the 'default' namespace, not across all namespaces.
What should I do if I get this CKAD 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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