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- Exam Code: CKS
- Exam Name: Certified Kubernetes Security Specialist (CKS)
- Updated: Oct 09, 2026
- Q & A: 66 Questions and Answers
- PDF Version + PC Test Engine + Online Test Engine
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Linux Foundation CKS dumps - Testing Engine
- Exam Code: CKS
- Exam Name: Certified Kubernetes Security Specialist (CKS)
- Updated: Oct 09, 2026
- Q & A: 66 Questions and Answers
- Software Price: $59.99
- Testing Engine
About Linux Foundation CKS Instant Exam Download
Some minds work best on paper. Print the Linux Foundation Certified Kubernetes Security Specialist (CKS) PDF from ITExamDownload, annotate every page, and let 66 practice questions become a notebook you'll actually review.
Linux Foundation CKS Exam Overview:
| Certification Vendor: | Linux Foundation / CNCF |
|---|---|
| Exam Name: | Certified Kubernetes Security Specialist |
| Exam Number: | CKS |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | 2 years |
| Exam Format: | Performance-based, Command-line operations, Hands-on tasks, Online proctored |
| Real Exam Qty: | 15-20 tasks |
| Passing Score: | 67% |
| Available Languages: | Japanese, English, Simplified Chinese |
| Exam Price: | $445 USD |
| Related Certifications: | Certified Kubernetes Administrator (CKA) Certified Kubernetes Application Developer (CKAD) |
| Recommended Training: | LFS260: Kubernetes Security Essentials |
| Exam Registration: | Linux Foundation Training Portal |
| Sample Questions: |  |
| Exam Way: | Online, remotely proctored, live monitoring via webcam and screen sharing |
| Pre Condition: | Must hold valid, non-expired Certified Kubernetes Administrator (CKA) certification |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/certified-kubernetes-security-specialist/ |
Linux Foundation CKS Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Supply Chain Security | 20% | - Permitted registries - Static analysis tools - Signed artifacts & verification - SBOM & CI/CD security - Image security & scanning |
| System Hardening | 10% | - Least privilege IAM - Network access control - Kernel hardening (AppArmor, seccomp) - Minimize OS attack surface |
| Cluster Setup | 15% | - Network security policies - Secure Ingress configuration - Binary verification - Node metadata protection - CIS benchmark compliance |
| Minimize Microservice Vulnerabilities | 20% | - Security contexts - OPA/Gatekeeper implementation - Secret management - Isolation & multi-tenancy - Pod Security Standards |
| Monitoring, Logging and Runtime Security | 20% | - Incident investigation - Audit log configuration - Behavioral analytics - Container immutability - Threat detection (Falco) |
| Cluster Hardening | 15% | - RBAC configuration - API access restriction - Component updates & vulnerability mitigation - Service account security |
Linux Foundation Certified Kubernetes Security Specialist (CKS) Exam FAQ
The Linux Foundation Certified Kubernetes Security Specialist (CKS) blueprint divides into 6 domains — including Minimize Microservice Vulnerabilities (20%), System Hardening (10%), Cluster Hardening (15%). Those weights tell you where the points live; plan revision time in the same proportions. The full subtopic list appears above.
Must hold valid, non-expired Certified Kubernetes Administrator (CKA) certification Eligibility rules change occasionally, so confirm them on the official page (official CKS exam page) before booking.
Yes — the free Linux Foundation Certified Kubernetes Security Specialist (CKS) demo at ITExamDownload shows real questions and answers before you pay. Every purchase includes 365 days of free updates, renewable later at 50% off.
The official format: 120 minutes, 15-20 tasks questions. That ratio is the real challenge, so practice pacing — time-box each question, mark the stubborn ones, and run full simulations in the ITExamDownload PC test engine until the clock stops being scary.
Yes:
Classroom learning ends where self-testing begins — after any course, work through the 66 practice questions for the Linux Foundation Certified Kubernetes Security Specialist (CKS) to find weak spots before the exam does.
The Linux Foundation Certified Kubernetes Security Specialist (CKS) is Linux Foundation's official exam for the Certified Kubernetes Security Specialist (CKS) credential (Professional level). In the job market it works as portable proof of skill — more interviews, better offers. It pairs naturally with Certified Kubernetes Administrator (CKA), Certified Kubernetes Application Developer (CKAD).
Two promises. Delivery: payment triggers an automatic email within a minute — instant download, unlimited devices, 24/7 help if nothing arrives within 2 hours. Refund: take the corresponding CKS exam within 60 days of purchase, and if you fail, send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Prefer a swap? Exchange for two equal-value products free.
Register through the vendor's official channels:
The Linux Foundation Certified Kubernetes Security Specialist (CKS) is delivered Online, remotely proctored, live monitoring via webcam and screen sharing — choose whichever suits you when booking.
$445 USD per attempt; 67% to pass. Since a retake bills the full fee again, rehearse with the 66 practice questions from ITExamDownload until your mock scores clear the bar with room to spare.
Linux Foundation Certified Kubernetes Security Specialist (CKS) Sample Questions:
Question #1
SIMULATION
Create a PSP that will only allow the persistentvolumeclaim as the volume type in the namespace restricted.
Create a new PodSecurityPolicy named prevent-volume-policy which prevents the pods which is having different volumes mount apart from persistentvolumeclaim.
Create a new ServiceAccount named psp-sa in the namespace restricted.
Create a new ClusterRole named psp-role, which uses the newly created Pod Security Policy prevent-volume-policy Create a new ClusterRoleBinding named psp-role-binding, which binds the created ClusterRole psp-role to the created SA psp-sa.
Hint:
Also, Check the Configuration is working or not by trying to Mount a Secret in the pod maifest, it should get failed.
POD Manifest:
apiVersion: v1
kind: Pod
metadata:
name:
spec:
containers:
- name:
image:
volumeMounts:
- name:
mountPath:
volumes:
- name:
secret:
secretName:
Correct Answer:
See the Explanation belowExplanation:
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
name: restricted
annotations:
seccomp.security.alpha.kubernetes.io/allowedProfileNames: 'docker/default,runtime/default' apparmor.security.beta.kubernetes.io/allowedProfileNames: 'runtime/default' seccomp.security.alpha.kubernetes.io/defaultProfileName: 'runtime/default' apparmor.security.beta.kubernetes.io/defaultProfileName: 'runtime/default' spec:
privileged: false
# Required to prevent escalations to root.
allowPrivilegeEscalation: false
# This is redundant with non-root + disallow privilege escalation,
# but we can provide it for defense in depth.
requiredDropCapabilities:
- ALL
# Allow core volume types.
volumes:
- 'configMap'
- 'emptyDir'
- 'projected'
- 'secret'
- 'downwardAPI'
# Assume that persistentVolumes set up by the cluster admin are safe to use.
- 'persistentVolumeClaim'
hostNetwork: false
hostIPC: false
hostPID: false
runAsUser:
# Require the container to run without root privileges.
rule: 'MustRunAsNonRoot'
seLinux:
# This policy assumes the nodes are using AppArmor rather than SELinux.
rule: 'RunAsAny'
supplementalGroups:
rule: 'MustRunAs'
ranges:
# Forbid adding the root group.
- min: 1
max: 65535
fsGroup:
rule: 'MustRunAs'
ranges:
# Forbid adding the root group.
- min: 1
max: 65535
readOnlyRootFilesystem: false
Question #2
SIMULATION
Analyze and edit the given Dockerfile
FROM ubuntu:latest
RUN apt-get update -y
RUN apt-install nginx -y
COPY entrypoint.sh /
ENTRYPOINT ["/entrypoint.sh"]
USER ROOT
Fixing two instructions present in the file being prominent security best practice issues Analyze and edit the deployment manifest file apiVersion: v1 kind: Pod metadata:
name: security-context-demo-2
spec:
securityContext:
runAsUser: 1000
containers:
- name: sec-ctx-demo-2
image: gcr.io/google-samples/node-hello:1.0
securityContext:
runAsUser: 0
privileged: True
allowPrivilegeEscalation: false
Fixing two fields present in the file being prominent security best practice issues Don't add or remove configuration settings; only modify the existing configuration settings Whenever you need an unprivileged user for any of the tasks, use user test-user with the user id 5487
Correct Answer:
FROM debian:latest
MAINTAINER [email protected]
# 1 - RUN
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -yq apt-utils RUN DEBIAN_FRONTEND=noninteractive apt-get install -yq htop RUN apt-get clean
# 2 - CMD
#CMD ["htop"]
#CMD ["ls", "-l"]
# 3 - WORKDIR and ENV
WORKDIR /root
ENV DZ version1
$ docker image build -t bogodevops/demo .
Sending build context to Docker daemon 3.072kB
Step 1/7 : FROM debian:latest
---> be2868bebaba
Step 2/7 : MAINTAINER [email protected]
---> Using cache
---> e2eef476b3fd
Step 3/7 : RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -yq apt-utils
---> Using cache
---> 32fd044c1356
Step 4/7 : RUN DEBIAN_FRONTEND=noninteractive apt-get install -yq htop
---> Using cache
---> 0a5b514a209e
Step 5/7 : RUN apt-get clean
---> Using cache
---> 5d1578a47c17
Step 6/7 : WORKDIR /root
---> Using cache
---> 6b1c70e87675
Step 7/7 : ENV DZ version1
---> Using cache
---> cd195168c5c7
Successfully built cd195168c5c7
Successfully tagged bogodevops/demo:latest
Question #3
SIMULATION
Using the runtime detection tool Falco, Analyse the container behavior for at least 20 seconds, using filters that detect newly spawning and executing processes in a single container of Nginx.
store the incident file art /opt/falco-incident.txt, containing the detected incidents. one per line, in the format
[timestamp],[uid],[processName]
Correct Answer:
Send us your feed back on it
Question #4
SIMULATION
Context
A default-deny NetworkPolicy avoids to accidentally expose a Pod in a namespace that doesn't have any other NetworkPolicy defined.
Task
Create a new default-deny NetworkPolicy named defaultdeny in the namespace testing for all traffic of type Egress.
The new NetworkPolicy must deny all Egress traffic in the namespace testing.
Apply the newly created default-deny NetworkPolicy to all Pods running in namespace testing.
Correct Answer:
See the Explanation below
Explanation:
Question #5
SIMULATION
You can switch the cluster/configuration context using the following command:
[desk@cli] $ kubectl config use-context stage
Context:
A PodSecurityPolicy shall prevent the creation of privileged Pods in a specific namespace.
Task:
1. Create a new PodSecurityPolcy named deny-policy, which prevents the creation of privileged Pods.
2. Create a new ClusterRole name deny-access-role, which uses the newly created PodSecurityPolicy deny-policy.
3. Create a new ServiceAccount named psd-denial-sa in the existing namespace development.
Finally, create a new ClusterRoleBindind named restrict-access-bind, which binds the newly created ClusterRole deny-access-role to the newly created ServiceAccount psp-denial-sa
Correct Answer:
See the Explanation belowExplanation:
Create psp to disallow privileged container
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: deny-access-role
rules:
- apiGroups: ['policy']
resources: ['podsecuritypolicies']
verbs: ['use']
resourceNames:
- "deny-policy"
k create sa psp-denial-sa -n development
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: restrict-access-bing
roleRef:
kind: ClusterRole
name: deny-access-role
apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
name: psp-denial-sa
namespace: development
Explanation:
master1 $ vim psp.yaml
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
name: deny-policy
spec:
privileged: false # Don't allow privileged pods!
seLinux:
rule: RunAsAny
supplementalGroups:
rule: RunAsAny
runAsUser:
rule: RunAsAny
fsGroup:
rule: RunAsAny
volumes:
- '*'
master1 $ vim cr1.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: deny-access-role
rules:
- apiGroups: ['policy']
resources: ['podsecuritypolicies']
verbs: ['use']
resourceNames:
- "deny-policy"
master1 $ k create sa psp-denial-sa -n development
master1 $ vim cb1.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: restrict-access-bing
roleRef:
kind: ClusterRole
name: deny-access-role
apiGroup: rbac.authorization.k8s.io
subjects:
# Authorize specific service accounts:
- kind: ServiceAccount
name: psp-denial-sa
namespace: development
master1 $ k apply -f psp.yaml
master1 $ k apply -f cr1.yaml
master1 $ k apply -f cb1.yaml
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