Linux-Foundation CKS Exam Dumps

Linux-Foundation CKS Sample Question Answers

Question # 1

use the Trivy to scan the following images, 1. amazonlinux:1 2. k8s.gcr.io/kube-controller-manager:v1.18.6 Look for images with HIGH or CRITICAL severity vulnerabilities and store the output of the same in /opt/trivy-vulnerable.txt 

Show Answer

Question # 2

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. Question No : 46 CORRECT TEXT Linux Foundation CKS : Practice Test 130 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 

Show Answer

Question # 3

Create a RuntimeClass named gvisor-rc using the prepared runtime handler named runsc. Create a Pods of image Nginx in the Namespace server to run on the gVisor runtime class

Show Answer

Question # 4

You must complete this task on the following cluster/nodes: Cluster: trace Question No : 40 CORRECT TEXT Linux Foundation CKS : Practice Test 111 Master node: master Worker node: worker1 You can switch the cluster/configuration context using the following command: [desk@cli] $ kubectl config use-context trace Given: You may use Sysdig or Falco documentation. Task: Use detection tools to detect anomalies like processes spawning and executing something weird frequently in the single container belonging to Pod tomcat. Two tools are available to use: 1. falco 2. sysdig Tools are pre-installed on the worker1 node only. Analyse the container’s behaviour for at least 40 seconds, using filters that detect newly spawning and executing processes. Store an incident file at /home/cert_masters/report, in the following format: [timestamp],[uid],[processName] Note: Make sure to store incident file on the cluster's worker node, don't move it to master node. 

Show Answer

Question # 5

Create a User named john, create the CSR Request, fetch the certificate of the user after approving it. Create a Role name john-role to list secrets, pods in namespace john Finally, Create a RoleBinding named john-role-binding to attach the newly created role john-role to the user john in the namespace john. To Verify: Use the kubectl auth CLI command to verify the permissions. 

Show Answer

Question # 6

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 Question No : 38 CORRECT TEXT Linux Foundation CKS : Practice Test 108 spec: containers: - name: kubesec-demo image: gcr.io/google-samples/node-hello:1.0 securityContext: readOnlyRootFilesystem: true Hint: docker run -i kubesec/kubesec:512c5e0 scan /dev/stdin < kubesec-test.yaml 

Show Answer