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The Linux Foundation CKS is so flexible that you can easily change the timings, types of questions, and topics for each mock exam.Linux Foundation CKS practice test contains all the important questions that will appear in the actual CKS Exam. Real4test offers updates for Linux Foundation CKS Exam questions up to 365 days after purchase, to match the changes in the latest CKS exam syllabus.
Linux Foundation CKS (Certified Kubernetes Security Specialist) Exam is a certification program that is designed to test and validate the skills of IT professionals in securing Kubernetes clusters. Kubernetes has become the most popular container orchestration system, and with its increased adoption, the need for Kubernetes security experts has also grown. The CKS Certification program is aimed at IT professionals who already have a good understanding of Kubernetes and want to demonstrate their expertise in securing Kubernetes clusters.

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CKS Reliable Exam Camp, New CKS Test BookWhen you take Linux Foundation CKS practice exams again and again you get familiar with the Certified Kubernetes Security Specialist (CKS) (CKS) real test pressure and learn to handle it for better outcomes. Features of the web-based and desktop CKS Practice Exams are similar. The only difference is that the Certified Kubernetes Security Specialist (CKS) (CKS) web-based version works online.
Linux Foundation Certified Kubernetes Security Specialist (CKS) Sample Questions (Q65-Q70):NEW QUESTION # 65
You are using a third-party Helm chart to deploy an application to your Kubernetes cluster. You need to ensure that the Helm chart adheres to security best practices and does not introduce any vulnerabilities into your cluster. Implement a solution that uses KubeLinter to statically analyze the Helm chart before deployment.
Answer:
Explanation:
Solution (Step by Step):
1. Install KubeLinter: Download and install the 'kubevar binary from the official GitHub repository.
2. Render the Helm chart: use the 'helm template' command to render the Helm chart into Kubernetes YAML manifests.
bash
helm template my-chart -f values.yaml > rendered-templates.yaml
3. Validate the rendered YAML manifests using KubeLinter Use the 'kubevar command to validate the rendered YAML manifests against the
Kubernetes schema and your custom rules.
bash
kubeval rendered-templates.yaml
4. Integrate KubeLinter into your CI/CD pipeline: Add a step to your pipeline that renders the Helm chart and runs KubeLinter against the rendered
YAML manifests. This step should be executed before the chart is deployed.

NEW QUESTION # 66
Enable audit logs in the cluster, To Do so, enable the log backend, and ensure that
1. logs are stored at /var/log/kubernetes-logs.txt.
2. Log files are retained for 12 days.
3. at maximum, a number of 8 old audit logs files are retained.
4. set the maximum size before getting rotated to 200MB
Edit and extend the basic policy to log:
1. namespaces changes at RequestResponse
2. Log the request body of secrets changes in the namespace kube-system.
3. Log all other resources in core and extensions at the Request level.
4. Log "pods/portforward", "services/proxy" at Metadata level.
5. Omit the Stage RequestReceived
All other requests at the Metadata level
Answer:
Explanation:
Kubernetes auditing provides a security-relevant chronological set of records about a cluster. Kube-apiserver performs auditing. Each request on each stage of its execution generates an event, which is then pre-processed according to a certain policy and written to a backend. The policy determines what's recorded and the backends persist the records.
You might want to configure the audit log as part of compliance with the CIS (Center for Internet Security) Kubernetes Benchmark controls.
The audit log can be enabled by default using the following configuration in cluster.yml:
services:
kube-api:
audit_log:
enabled: true
When the audit log is enabled, you should be able to see the default values at /etc/kubernetes/audit-policy.yaml The log backend writes audit events to a file in JSONlines format. You can configure the log audit backend using the following kube-apiserver flags:
--audit-log-path specifies the log file path that log backend uses to write audit events. Not specifying this flag disables log backend. - means standard out
--audit-log-maxage defined the maximum number of days to retain old audit log files
--audit-log-maxbackup defines the maximum number of audit log files to retain
--audit-log-maxsize defines the maximum size in megabytes of the audit log file before it gets rotated If your cluster's control plane runs the kube-apiserver as a Pod, remember to mount the hostPath to the location of the policy file and log file, so that audit records are persisted. For example:
--audit-policy-file=/etc/kubernetes/audit-policy.yaml
--audit-log-path=/var/log/audit.log

NEW QUESTION # 67
Context: Cluster: gvisor Master node: master1 Worker node: worker1
You can switch the cluster/configuration context using the following command:
[desk@cli] $ kubectl config use-context gvisor
Context: This cluster has been prepared to support runtime handler, runsc as well as traditional one.
Task: Create a RuntimeClass named not-trusted using the prepared runtime handler names runsc. Update all Pods in the namespace server to run on newruntime.
Answer:
Explanation:

Explanation
[desk@cli] $vim runtime.yaml
apiVersion: node.k8s.io/v1
kind: RuntimeClass
metadata:
name: not-trusted
handler: runsc
[desk@cli] $ k apply -f runtime.yaml [desk@cli] $ k get pods
NAME READY STATUS RESTARTS AGE
nginx-6798fc88e8-chp6r 1/1 Running 0 11m
nginx-6798fc88e8-fs53n 1/1 Running 0 11m
nginx-6798fc88e8-ndved 1/1 Running 0 11m
[desk@cli] $ k get deploy
NAME READY UP-TO-DATE AVAILABLE AGE
nginx 3/3 11 3 5m
[desk@cli] $ k edit deploy nginx


NEW QUESTION # 68
You need to prevent unauthorized access to your Kubernetes cluster. You are implementing a policy to restrict access to the Kubernetes API server- You want to restrict access to the API server to only specific IP addresses. How can you implement this restriction?
Answer:
Explanation:
Solution (Step by Step) :
1. Contigure API Server Admission Control:
- Edit the API server configuration file C/etc/kubernetes/manifests/kube-apiserver.yaml') to enable 'AlwaysAdmit' admission control.
2. Create a Network Policy:
- Define a NetworkPoIicy that allows access from the specified IP addresses.
- Apply the NetworkPolicy to the namespace containing the Kubernetes API server.
3. Example Implementation:
-

4. Restart the API Server: - Restart the Kubernetes API server to apply the new configuration. 5. Note: - It is crucial to only allow access from trusted IP addresses to prevent potential security breaches.

NEW QUESTION # 69
On the Cluster worker node, enforce the prepared AppArmor profile
#include <tunables/global>
profile docker-nginx flags=(attach_disconnected,mediate_deleted) {
#include <abstractions/base>
network inet tcp,
network inet udp,
network inet icmp,
deny network raw,
deny network packet,
file,
umount,
deny /bin/** wl,
deny /boot/** wl,
deny /dev/** wl,
deny /etc/** wl,
deny /home/** wl,
deny /lib/** wl,
deny /lib64/** wl,
deny /media/** wl,
deny /mnt/** wl,
deny /opt/** wl,
deny /proc/** wl,
deny /root/** wl,
deny /sbin/** wl,
deny /srv/** wl,
deny /tmp/** wl,
deny /sys/** wl,
deny /usr/** wl,
audit /** w,
/var/run/nginx.pid w,
/usr/sbin/nginx ix,
deny /bin/dash mrwklx,
deny /bin/sh mrwklx,
deny /usr/bin/top mrwklx,
capability chown,
capability dac_override,
capability setuid,
capability setgid,
capability net_bind_service,
deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir)
# deny write to files not in /proc/<number>/** or /proc/sys/**
deny @{PROC}/{[
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