BRAIN CKS EXAM & LATEST CKS EXAM VCE

Brain CKS Exam & Latest CKS Exam Vce

Brain CKS Exam & Latest CKS Exam Vce

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Tags: Brain CKS Exam, Latest CKS Exam Vce, Latest CKS Learning Materials, CKS Exam Certification Cost, CKS Exam Pattern

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Linux Foundation CKS (Certified Kubernetes Security Specialist) Certification Exam is a highly sought-after certification for professionals who want to demonstrate their mastery of Kubernetes security concepts and best practices. The CKS exam is designed to test the candidate's ability to secure containerized applications running on Kubernetes clusters. It is an advanced-level certification exam that requires a deep understanding of Kubernetes architecture, security principles, and best practices.

Linux Foundation CKS (Certified Kubernetes Security Specialist) Certification Exam is a highly sought-after certification for individuals who want to demonstrate their expertise in securing containerized applications using Kubernetes. Kubernetes has become the de facto standard for container orchestration, and as such, it is crucial to have professionals who can secure the platform and the applications running on it.

Linux Foundation CKS Certification is a valuable credential for IT professionals who want to demonstrate their expertise in securing Kubernetes environments. Certified Kubernetes security specialists are in high demand, and the CKS certification can help individuals advance their careers and increase their earning potential. Certified Kubernetes Security Specialist (CKS) certification also provides organizations with assurance that their Kubernetes environments are being managed and secured by qualified professionals.

Linux Foundation Certified Kubernetes Security Specialist (CKS) Sample Questions (Q16-Q21):

NEW QUESTION # 16
Cluster: admission-cluster
Master node: master
Worker node: worker1
You can switch the cluster/configuration context using the following command:
[desk@cli] $ kubectl config use-context admission-cluster
Context:
A container image scanner is set up on the cluster, but it's not yet fully integrated into the cluster's configuration. When complete, the container image scanner shall scan for and reject the use of vulnerable images.
Task:
You have to complete the entire task on the cluster's master node, where all services and files have been prepared and placed.
Given an incomplete configuration in directory /etc/Kubernetes/config and a functional container image scanner with HTTPS endpoint https://imagescanner.local:8181/image_policy:
1. Enable the necessary plugins to create an image policy
2. Validate the control configuration and change it to an implicit deny
3. Edit the configuration to point to the provided HTTPS endpoint correctly Finally, test if the configuration is working by trying to deploy the vulnerable resource /home/cert_masters/test-pod.yml Note: You can find the container image scanner's log file at /var/log/policy/scanner.log

Answer:

Explanation:
[master@cli] $ cd /etc/Kubernetes/config
1. Edit kubeconfig to explicity deny
[master@cli] $ vim kubeconfig.json
"defaultAllow": false # Change to false
2. fix server parameter by taking its value from ~/.kube/config
[master@cli] $cat /etc/kubernetes/config/kubeconfig.yaml | grep server
server:
3. Enable ImagePolicyWebhook
[master@cli] $ vim /etc/kubernetes/manifests/kube-apiserver.yaml
- --enable-admission-plugins=NodeRestriction,ImagePolicyWebhook # Add this
- --admission-control-config-file=/etc/kubernetes/config/kubeconfig.json # Add this Explanation
[desk@cli] $ ssh master
[master@cli] $ cd /etc/Kubernetes/config
[master@cli] $ vim kubeconfig.json
{
"imagePolicy": {
"kubeConfigFile": "/etc/kubernetes/config/kubeconfig.yaml",
"allowTTL": 50,
"denyTTL": 50,
"retryBackoff": 500,
"defaultAllow": true # Delete this
"defaultAllow": false # Add this
}
}

Note: We can see a missing value here, so how from where i can get this value
[master@cli] $cat ~/.kube/config | grep server
or
[master@cli] $cat /etc/kubernetes/manifests/kube-apiserver.yaml

[master@cli] $vim /etc/kubernetes/config/kubeconfig.yaml

[master@cli] $ vim /etc/kubernetes/manifests/kube-apiserver.yaml - --enable-admission-plugins=NodeRestriction # Delete This - --enable-admission-plugins=NodeRestriction,ImagePolicyWebhook # Add this - --admission-control-config-file=/etc/kubernetes/config/kubeconfig.json # Add this Reference: https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/
- --enable-admission-plugins=NodeRestriction # Delete This
- --enable-admission-plugins=NodeRestriction,ImagePolicyWebhook # Add this
- --admission-control-config-file=/etc/kubernetes/config/kubeconfig.json # Add this
[master@cli] $ vim /etc/kubernetes/manifests/kube-apiserver.yaml - --enable-admission-plugins=NodeRestriction # Delete This - --enable-admission-plugins=NodeRestriction,ImagePolicyWebhook # Add this - --admission-control-config-file=/etc/kubernetes/config/kubeconfig.json # Add this Reference: https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/


NEW QUESTION # 17
SIMULATION
A container image scanner is set up on the cluster.
Given an incomplete configuration in the directory
/etc/kubernetes/confcontrol and a functional container image scanner with HTTPS endpoint https://test-server.local.8081/image_policy
1. Enable the admission plugin.
2. Validate the control configuration and change it to implicit deny.
Finally, test the configuration by deploying the pod having the image tag as latest.

  • A. Send us the Feedback on it.

Answer: A


NEW QUESTION # 18
Enable audit logs in the cluster, To Do so, enable the log backend, and ensure that
1. logs are stored at /var/log/kubernetes/kubernetes-logs.txt.
2. Log files are retained for 5 days.
3. at maximum, a number of 10 old audit logs files are retained.
Edit and extend the basic policy to log:

  • A. 1. Cronjobs changes at RequestResponse

Answer: A

Explanation:
2. Log the request body of deployments changes in the namespace kube-system.
3. Log all other resources in core and extensions at the Request level.
4. Don't log watch requests by the "system:kube-proxy" on endpoints or


NEW QUESTION # 19
Use the kubesec docker images to scan the given YAML manifest, edit and apply the advised changes, and passed with a score of 4 points.
kubesec-test.yaml
apiVersion: v1
kind: Pod
metadata:
name: kubesec-demo
spec:
containers:
- name: kubesec-demo
image: gcr.io/google-samples/node-hello:1.0
securityContext:
readOnlyRootFilesystem: true

  • A. Hint: docker run -i kubesec/kubesec:512c5e0 scan /dev/stdin < kubesec-test.yaml

Answer: A


NEW QUESTION # 20
Context
A Role bound to a Pod's ServiceAccount grants overly permissive permissions. Complete the following tasks to reduce the set of permissions.
Task
Given an existing Pod named web-pod running in the namespace security.
Edit the existing Role bound to the Pod's ServiceAccount sa-dev-1 to only allow performing watch operations, only on resources of type services.
Create a new Role named role-2 in the namespace security, which only allows performing update operations, only on resources of type namespaces.
Create a new RoleBinding named role-2-binding binding the newly created Role to the Pod's ServiceAccount.

Answer:

Explanation:



NEW QUESTION # 21
......

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