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Exam CKS Topic 3 Question 48 Discussion

Actual exam question for Linux Foundation's CKS exam
Question #: 48
Topic #: 3
You are deploying a critical application Within your Kubernetes cluster. The application requires access to sensitive data stored in a secret. You want to implement a policy that ensures only authorized pods can access the secret How can you restrict access to the secret to authorized pods?

Suggested Answer:

Solution (Step by Step) :
1. Create a Role and RoIeBinding:
- Define a Role that grants access to the specific secret
- Create a RoleBinding that associates the Role with a ServiceAccount that will be used by authorized pods.
2. Example Implementation:
-

3. Granting Access to a Specific Secret: - If you need to restrict access to a specific secret, add a resourceNameS field to the Role definition. 4. Fine-Grained Access Control: - To control access even more granularly, you can define custom RBAC resources using CRDs and custom validation logic.

by Chloe at Oct 12, 2026, 09:40 PM

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