Vendor: Linux Foundation
Exam Code: CKS
Exam Name: Linux Foundation Certified Kubernetes Security Specialist (CKS)
Certification: Linux Foundation Certifications
Total Questions: 46 Q&A
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Updated on: Jun 05, 2026
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You can switch the cluster/configuration context using the following command:
[desk@cli] $ kubectl config use-context dev
A default-deny NetworkPolicy avoid to accidentally expose a Pod in a namespace that doesn't have any other NetworkPolicy defined.
Task: Create a new default-deny NetworkPolicy named deny-network in the namespace test for all traffic of type Ingress + Egress
The new NetworkPolicy must deny all Ingress + Egress traffic in the namespace test.
Apply the newly created default-deny NetworkPolicy to all Pods running in namespace test.
You can find a skeleton manifests file at /home/cert_masters/network-policy.yaml
A. See the explanation below
B. PlaceHolder



1.
Retrieve the content of the existing secret named default-token-xxxxx in the testing namespace.
Store the value of the token in the token.txt
2.
Create a new secret named test-db-secret in the DB namespace with the following content:
username: mysql password: password@123
Create the Pod name test-db-pod of image nginx in the namespace db that can access test-db-secret via a volume at path /etc/mysql-credentials
A. See the explanation below:
B. PlaceHolder
CORRECT TEXT

Context
This cluster uses containerd as CRI runtime.
Containerd's default runtime handler is runc. Containerd has been prepared to support an additional runtime handler, runsc (gVisor).
Task
Create a RuntimeClass named sandboxed using the prepared runtime handler named runsc.
Update all Pods in the namespace server to run on gVisor.

A. See the explanation below
B. PlaceHolder
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