This page was exported from Exam for engine [ http://blog.test4engine.com ] Export date:Mon Nov 18 2:39:50 2024 / +0000 GMT ___________________________________________________ Title: [Q17-Q36] Updated Apr-2023 Exam Engine or PDF for the CKA Tests Free Updated Today! --------------------------------------------------- Updated Apr-2023 Exam Engine or PDF for the CKA Tests Free Updated Today! Ultimate Guide to Prepare CKA with Accurate PDF Questions The Linux Foundation CKA Program Exam is a challenging certification exam that requires significant preparation and skill to pass. However, for those who are successful, the certification can open up new career opportunities and help IT professionals stay up-to-date with the latest trends and technologies in the industry.   QUESTION 17List all the pods showing name and namespace with a json path expression kubectl get pods -o=jsonpath=”{.items[*][‘metadata.name’, ‘metadata.namespace’]}”QUESTION 18Change the Image version back to 1.17.1 for the pod you just updated and observe the changes kubectl set image pod/nginx nginx=nginx:1.17.1 kubectl describe po nginx kubectl get po nginx -w # watch itQUESTION 19Create a deployment called webapp with image nginx having 5 replicas in it, put the file in /tmp directory with named webapp.yaml  //Create a file using dry run commandkubectl create deploy –image=nginx –dry-run -o yaml >/tmp/webapp.yaml// Now, edit file webapp.yaml and update replicas=5apiVersion: apps/v1kind: Deploymentmetadata:labels:app: webappname: webappspec:replicas: 5selector:matchLabels:app: webapptemplate:metadata:labels:app: webappspec:containers:– image: nginxname: nginxNote: Search “deployment” in kubernetes.io site , you will getthe pagehttps://kubernetes.io/docs/concepts/workloads/controllers/deployment/// Verify the Deploymentkubectl get deploy webapp –show-labels// Output the YAML file of the deployment webappkubectl get deploy webapp -o yaml  //Create a file using dry run commandkubectl create deploy –image=nginx –dry-run -o yaml >/tmp/webapp.yaml// Now, edit file webapp.yaml and update replicas=5apiVersion: apps/v1kind: Deploymentmetadata:labels:app: webappname: webappspec:replicas: 5selector:matchLabels:app: webapptemplate:metadata:labels:Note: Search “deployment” in kubernetes.io site , you will getthe pagehttps://kubernetes.io/docs/concepts/workloads/controllers/deployment/// Verify the Deploymentkubectl get deploy webapp –show-labels// Output the YAML file of the deployment webappkubectl get deploy webapp -o yaml QUESTION 20Apply the autoscaling to this deployment with minimum 10 and maximum 20 replicas and target CPU of 85% and verify hpa is created and replicas are increased to 10 from 1 kubectl autoscale deploy webapp –min=10 –max=20 –cpu percent=85 kubectl get hpa kubectl get pod -l app=webappQUESTION 21Create a pod with init container which create a file “test.txt”in “workdir” directory. Main container should check a file“test.txt” exists and execute sleep 9999 if the file exists.  // create an initial yaml file with thiskubectl run init-cont-pod –image=alpine –restart=Never –dry-run -oyaml > init-cont-pod.yaml// edit the yml as below and create itvim init-cont-pod.yamlapiVersion: v1kind: Podmetadata:name: init-cont-podlabels:app: myappspec:volumes:– name: test-volumeemptyDir: {}containers:– name: main-containerimage: busybox:1.28command: [‘sh’, ‘-c’, ‘if [ -f /workdir/test.txt ]; then sleep9999; fi’]volumeMounts:– name: test-volumemountPath: /workdirinitContainers:– name: init-myserviceimage: busybox:1.28command: [‘sh’, ‘-c’, “mkdir /workdir; echo >/workdir/test.txt”]volumeMounts:– name: test-volumemountPath: /workdir// Create the podkubectl apply -f init-cont-pod.yamlkubectl get pods// Check Events by doingkubectl describe po init-cont-podInit Containers:init-myservice:Container ID:docker://ebdbf5fad1c95111d9b0e0e2e743c2e347c81b8d4eb5abcccdfe1dd745240d4fImage: busybox:1.28Image ID: dockerpullable://busybox@sha256:141c253bc4c3fd0a201d32dc1f493bcf3fff003b6df416dea4f41046e0f37d47Port: <none>Host Port: <none>Command:sh-cmkdir /workdir; echo > /workdir/test.txtState: Terminated Reason: Completed  // create an initial yaml file with thiskubectl run init-cont-pod –image=alpine –restart=Never –dry-run -oyaml > init-cont-pod.yaml// edit the yml as below and create itvim init-cont-pod.yamlapiVersion: v1kind: Podmetadata:name: init-cont-podlabels:app: myappspec:volumes:– name: test-volumeemptyDir: {}containers:– name: main-containerimage: busybox:1.28command: [‘sh’, ‘-c’, ‘if [ -f /workdir/test.txt ]; then sleep9999; fi’]volumeMounts:image: busybox:1.28command: [‘sh’, ‘-c’, “mkdir /workdir; echo >/workdir/test.txt”]volumeMounts:– name: test-volumemountPath: /workdir// Create the podkubectl apply -f init-cont-pod.yamlkubectl get pods// Check Events by doingkubectl describe po init-cont-podInit Containers:init-myservice:Container ID:docker://ebdbf5fad1c95111d9b0e0e2e743c2e347c81b8d4eb5abcccdfe1dd745240d4fImage: busybox:1.28Image ID: dockerpullable://busybox@sha256:141c253bc4c3fd0a201d32dc1f493bcf3fff003b6df416dea4f41046e0f37d47Port: <none>Host Port: <none>Command:sh-cmkdir /workdir; echo > /workdir/test.txtState: Terminated Reason: Completed QUESTION 22List all the pods showing name and namespace with a json path expression See the solution below.Explanationkubectl get pods -o=jsonpath=”{.items[*][‘metadata.name’,‘metadata.namespace’]}”QUESTION 23On the NGFW, how can you generate and block a private key from export and thus harden your security posture and prevent rogue administrators or other bad actors from misusing keys?  1) Select Device > Certificates2) Select Certificate Profile.3) Generate the certificate4) Select Block Private Key Export.  1) Select Device > Certificate Management > Certificates >Device > Certificates2) Import the certificate.3) Select Import Private Key4) Click Generate to generate the new certificate.  1) Select Device > Certificates2) Select Certificate Profile3) Generate the certificate4) Select Block Private Key Export  1) Select Device > Certificate Management > Certificates Device > Certificates2) Generate the certificate.3) Select Block Private Key Export.4) Click Generate to generate the new certificate. QUESTION 24List all the pods sorted by name See the solution below.Explanationkubect1 get pods –sort-by=.metadata.nameQUESTION 25Delete the pod without any delay (force delete) Kubect1 delete po “POD-NAME” –grace-period=0 –forceQUESTION 26For this item, you will have to ssh to the nodes ik8s-master-0 and ik8s-node-0 and complete all tasks on these nodes. Ensure that you return to the base node (hostname: node-1) when you have completed this item.ContextAs an administrator of a small development team, you have been asked to set up a Kubernetes cluster to test the viability of a new application.TaskYou must use kubeadm to perform this task. Any kubeadm invocations will require the use of the–ignore-preflight-errors=all option.* Configure the node ik8s-master-O as a master node. .* Join the node ik8s-node-o to the cluster. See the solution below.ExplanationsolutionYou must use the kubeadm configuration file located at /etc/kubeadm.conf when initializingyour cluster.You may use any CNI plugin to complete this task, but if you don’t have your favourite CNI plugin’s manifest URL at hand, Calico is one popular option: https://docs.projectcalico.org/v3.14/manifests/calico.yaml Docker is already installed on both nodes and has been configured so that you can install the required tools.QUESTION 27From the pod label name=cpu-utilizer, find pods running high CPU workloads and write the name of the pod consuming most CPU to the file /opt/KUTR00102/KUTR00102.txt (which already exists). See the solution below.ExplanationsolutionF:WorkData Entry WorkData Entry20200827CKA16 B.JPGF:WorkData Entry WorkData Entry20200827CKA16 C.JPGQUESTION 28Create a deployment spec file that will:Launch 7 replicas of the nginx Image with the labelapp_runtime_stage=dev deployment name: kual00201 Save a copy of this spec file to /opt/KUAL00201/spec_deployment.yaml (or /opt/KUAL00201/spec_deployment.json).When you are done, clean up (delete) any new Kubernetes API object that you produced during this task. See the solution below.ExplanationsolutionF:WorkData Entry WorkData Entry20200827CKA10 B.JPGF:WorkData Entry WorkData Entry20200827CKA10 C.JPGQUESTION 29Get list of persistent volumes and persistent volume claim in the cluster kubectl get pv kubectl get pvcQUESTION 30Score: 4%TaskCreate a pod named kucc8 with a single app container for each of the following images running inside (there may be between 1 and 4 images specified): nginx + redis + memcached . Solution:kubectl run kucc8 –image=nginx –dry-run -o yaml > kucc8.yaml# vi kucc8.yamlapiVersion: v1kind: Podmetadata:creationTimestamp: nullname: kucc8spec:containers:– image: nginxname: nginx– image: redisname: redis– image: memcachedname: memcached– image: consulname: consul#kubectl create -f kucc8.yaml#12.07QUESTION 31List all the pods sorted by name kubectl get pods –sort-by=.metadata.nameQUESTION 32Scale the deployment to 5 replicas kubectl scale deployment webapp -replicas=5 //Verify kubectl get deploy kubectl get po,rsQUESTION 33What is the maximum number of samples that can be submitted to WildFire manually per day?  5,000  15,000  2,000  1,000 QUESTION 34Score: 4%TaskCreate a persistent volume with name app-data , of capacity 1Gi and access mode ReadOnlyMany. The type of volume is hostPath and its location is /srv/app-data . Solution:#vi pv.yamlapiVersion: v1kind: PersistentVolumemetadata:name: app-configspec:capacity:storage: 1GiaccessModes:– ReadOnlyManyhostPath:path: /srv/app-config#kubectl create -f pv.yamlQUESTION 35Create a nginx pod with label env=test in engineering namespace See the solution below.Explanationkubectl run nginx –image=nginx –restart=Never –labels=env=test –namespace=engineering –dry-run -o yaml > nginx-pod.yaml kubectl run nginx –image=nginx –restart=Never –labels=env=test –namespace=engineering –dry-run -o yaml | kubectl create -nengineering-f – YAML File:apiVersion: v1kind: Podmetadata:name: nginxnamespace: engineeringlabels:env: testspec:containers:– name: nginximage: nginximagePullPolicy: IfNotPresentrestartPolicy: Neverkubectl create -f nginx-pod.yamlQUESTION 36Perform the following tasks:* Add an init container tohungry-bear(which has beendefined in spec file/opt/KUCC00108/pod-spec-KUCC00108.yaml)* The init container should createan empty file named/workdir/calm.txt* If/workdir/calm.txtis notdetected, the pod should exit* Once the spec file has beenupdatedwith the init containerdefinition, the pod should becreated See the solution below.Explanationsolution Loading … Which is the best certification provider? 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Networking will be important for the CNCF CKA Certification Exam. The certification will tell you how to manage containers. Total cost will be available for students who take the CNCF CKA Certification Exam. Offers will be available for the CNCF CKA Certification Exam. Backup will be an important part of the CNCF CKA Certification Exam. The exam will tell you how to manage containers. Evaluate will be available for students who want to get certified. Live demo will be available for students who want to get certified. The CKA certification exam consists of a performance-based test that requires candidates to demonstrate their ability to perform Kubernetes administrative tasks in a real-world environment. The exam is conducted online and features a set of challenging scenarios that simulate common Kubernetes administration challenges. Candidates have two hours to complete the exam and must score at least 74% to pass. The exam is designed to test the candidate's knowledge of Kubernetes concepts and best practices, as well as their ability to troubleshoot issues and perform complex tasks.   Pass Linux Foundation With Test4Engine Exam Dumps: https://www.test4engine.com/CKA_exam-latest-braindumps.html --------------------------------------------------- Images: https://blog.test4engine.com/wp-content/plugins/watu/loading.gif https://blog.test4engine.com/wp-content/plugins/watu/loading.gif --------------------------------------------------- --------------------------------------------------- Post date: 2023-04-07 11:34:12 Post date GMT: 2023-04-07 11:34:12 Post modified date: 2023-04-07 11:34:12 Post modified date GMT: 2023-04-07 11:34:12