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Free update for one year is available, and you can obtain the latest version if you choose us, and the update version for CKS exam materials will be sent to your email address automatically.r Linux Foundation Certified Kubernetes Security Specialist (CKS) Sample Questions (Q17-Q22):r NEW QUESTION # 17 Secrets stored in the etcd is not secure at rest, you can use the etcdctl command utility to find the secret value for e.g:- ETCDCTL_API=3 etcdctl get /registry/secrets/default/cks-secret --cacert="ca.crt" --cert="server.crt" --key="server.key" OutputUsing the Encryption Configuration, Create the manifest, which secures the resource secrets using the provider AES-CBC and identity, to encrypt the secret-data at rest and ensure all secrets are encrypted with the new configuration.r Answer: r Explanation:ETCD secret encryption can be verified with the help of etcdctl command line utility.ETCD secrets are stored at the path /registry/secrets/$namespace/$secret on the master node.The below command can be used to verify if the particular ETCD secret is encrypted or not.# ETCDCTL_API=3 etcdctl get /registry/secrets/default/secret1 [...] | hexdump -Cr NEW QUESTION # 18 Context:Cluster: gvisorMaster node: master1Worker node: worker1You can switch the cluster/configuration context using the following command:[[email protected]] $ kubectl config use-context gvisorContext: 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.r Answer: r Explanation:Find all the pods/deployment and edit runtimeClassName parameter to not-trusted under spec[[email protected]] $ k edit deploy nginxspec:runtimeClassName: not-trusted. # Add thisExplanation[[email protected]] $vim runtime.yamlapiVersion: node.k8s.io/v1kind: RuntimeClassmetadata:name: not-trustedhandler: runsc[[email protected]] $ k apply -f runtime.yaml[[email protected]] $ k get podsNAME READY STATUS RESTARTS AGEnginx-6798fc88e8-chp6r 1/1 Running 0 11mnginx-6798fc88e8-fs53n 1/1 Running 0 11mnginx-6798fc88e8-ndved 1/1 Running 0 11m[[email protected]] $ k get deployNAME READY UP-TO-DATE AVAILABLE AGEnginx 3/3 11 3 5m[[email protected]] $ k edit deploy nginxr 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.yamlapiVersion: v1kind: Podmetadata:name: kubesec-demospec:containers:- name: kubesec-demoimage: gcr.io/google-samples/node-hello:1.0securityContext:readOnlyRootFilesystem: trueHint: docker run -i kubesec/kubesec:512c5e0 scan /dev/stdin < kubesec-test.yamlr Answer: r Explanation:kubesec scan k8s-deployment.yamlcat <<EOF > kubesec-test.yamlapiVersion: v1kind: Podmetadata:name: kubesec-demospec:containers:- name: kubesec-demoimage: gcr.io/google-samples/node-hello:1.0securityContext:readOnlyRootFilesystem: trueEOFkubesec scan kubesec-test.yamldocker run -i kubesec/kubesec:512c5e0 scan /dev/stdin < kubesec-test.yaml kubesec http 8080 &[1] 12345{"severity":"info","timestamp":"2019-05-12T11:58:34.662 0100","caller":"server/server.go:69","message":"Starting HTTP server on port 8080"} curl -sSX POST --data-binary @test/asset/score-0-cap-sys-admin.yml http://localhost:8080/scan[{"object": "Pod/security-context-demo.default","valid": true,"message": "Failed with a score of -30 points","score": -30,"scoring": {"critical": [{"selector": "containers[] .securityContext .capabilities .add == SYS_ADMIN","reason": "CAP_SYS_ADMIN is the most privileged capability and should always be avoided"},{"selector": "containers[] .securityContext .runAsNonRoot == true","reason": "Force the running image to run as a non-root user to ensure least privilege"},// ...r NEW QUESTION # 20 Cluster: qa-cluster Master node: master Worker node: worker1 You can switch the cluster/configuration context using the following command: [[email protected]] $ kubectl config use-context qa-cluster Task: Create a NetworkPolicy named restricted-policy to restrict access to Pod product running in namespace dev. Only allow the following Pods to connect to Pod products-service: 1. Pods in the namespace qa 2. Pods with label environment: stage, in any namespacer Answer: r Explanation:r NEW QUESTION # 21 SIMULATIONEnable audit logs in the cluster, To Do so, enable the log backend, and ensure that1. 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:1. Cronjobs changes at RequestResponse2. 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 orr A. 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