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Title: Easily To Pass New CKAD Verified & Correct Answers [Apr 23, 2023 [Q17-Q32]

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 Easily To Pass New CKAD Verified & Correct Answers [Apr 23, 2023
Free CKAD Exam Files Downloaded Instantly

Exam Topics for CNCF Certified Kubernetes Application Developer
Our CNCF CKAD Dumps covers the following objectives of the CNCF Certified Kubernetes Application Developer Exam.
Multi-Container Pods 10%Pod Design 20%Services & Networking 13%State Persistence 8%Configuration 18%

 


NO.17 ContextContextA container within the poller pod is hard-coded to connect the nginxsvc service on port 90 . As this port changes to 5050 an additional container needs to be added to the poller pod which adapts the container to connect to this new port. This should be realized as an ambassador container within the pod.Task* Update the nginxsvc service to serve on port 5050.* Add an HAproxy container named haproxy bound to port 90 to the poller pod and deploy the enhanced pod. Use the image haproxy and inject the configuration located at /opt/KDMC00101/haproxy.cfg, with a ConfigMap named haproxy-config, mounted into the container so that haproxy.cfg is available at /usr/local/etc/haproxy/haproxy.cfg. Ensure that you update the args of the poller container to connect to localhost instead of nginxsvc so that the connection is correctly proxied to the new service endpoint. You must not modify the port of the endpoint in poller’s args . The spec file used to create the initial poller pod is available in /opt/KDMC00101/poller.yaml
Solution:apiVersion: apps/v1kind: Deploymentmetadata:name: my-nginxspec:selector:matchLabels:run: my-nginxreplicas: 2template:metadata:labels:run: my-nginxspec:containers:– name: my-nginximage: nginxports:– containerPort: 90This makes it accessible from any node in your cluster. Check the nodes the Pod is running on:kubectl apply -f ./run-my-nginx.yamlkubectl get pods -l run=my-nginx -o wideNAME READY STATUS RESTARTS AGE IP NODEmy-nginx-3800858182-jr4a2 1/1 Running 0 13s 10.244.3.4 kubernetes-minion-905m my-nginx-3800858182-kna2y 1/1 Running 0 13s 10.244.2.5 kubernetes-minion-ljyd Check your pods’ IPs:kubectl get pods -l run=my-nginx -o yaml | grep podIPpodIP: 10.244.3.4podIP: 10.244.2.5NO.18 TaskA deployment is falling on the cluster due to an incorrect image being specified. Locate the deployment, and fix the problem.
See the solution belowExplanationcreate deploy hello-deploy –image=nginx –dry-run=client -o yaml > hello-deploy.yaml Update deployment image to nginx:1.17.4:   kubectl set image deploy/hello-deploy nginx=nginx:1.17.4NO.19 Exhibit:ContextYou sometimes need to observe a pod’s logs, and write those logs to a file for further analysis.TaskPlease complete the following;* Deploy the counter pod to the cluster using the provided YAMLspec file at /opt/KDOB00201/counter.yaml* Retrieve all currently available application logs from the running pod and store them in the file /opt/KDOB0020l/log_Output.txt, which has already been created
 Solution:
 Solution:
NO.20 ContextContextDevelopers occasionally need to submit pods that run periodically.TaskFollow the steps below to create a pod that will start at a predetermined time and]which runs to completion only once each time it is started:* Create a YAML formatted Kubernetes manifest /opt/KDPD00301/periodic.yaml that runs the following shell command: date in a single busybox container. The command should run every minute and must complete within 22 seconds or be terminated oy Kubernetes. The Cronjob namp and container name should both be hello* Create the resource in the above manifest and verify that the job executes successfully at least once
Solution:NO.21 TaskYou are required to create a pod that requests a certain amount of CPU and memory, so it gets scheduled to-a node that has those resources available.* Create a pod named nginx-resources in the pod-resources namespace that requests a minimum of 200m CPU and 1Gi memory for its container* The pod should use the nginx image* The pod-resources namespace has already been created
See the solution below.ExplanationSolution:NO.22 TaskA Deployment named backend-deployment in namespace staging runs a web application on port 8081.
See the solution below.ExplanationSolution:Text Description automatically generatedNO.23 ContextTask:Modify the existing Deployment named broker-deployment running in namespace quetzal so that its containers.1) Run with user ID 30000 and2) Privilege escalation is forbiddenThe broker-deployment is manifest file can be found at:
Solution:NO.24 Refer to Exhibit.Task:Create a Pod named nginx resources in the existing pod resources namespace.Specify a single container using nginx:stable image.Specify a resource request of 300m cpus and 1G1 of memory for the Pod’s container.
Solution:NO.25 ContextContextA user has reported an aopticauon is unteachable due to a failing livenessProbe .TaskPerform the following tasks:* Find the broken pod and store its name and namespace to /opt/KDOB00401/broken.txt in the format:The output file has already been created* Store the associated error events to a file /opt/KDOB00401/error.txt, The output file has already been created. You will need to use the -o wide output specifier with your command* Fix the issue.
Solution:Create the Pod:kubectl create -f http://k8s.io/docs/tasks/configure-pod-container/exec-liveness.yaml Within 30 seconds, view the Pod events:kubectl describe pod liveness-execThe output indicates that no liveness probes have failed yet:FirstSeen LastSeen Count From SubobjectPath Type Reason Message——— ——– —– —- ————- ——– —— ——-24s 24s 1 {default-scheduler } Normal Scheduled Successfully assigned liveness-exec to worker023s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Pulling pulling image “gcr.io/google_containers/busybox”23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Pulled Successfully pulled image “gcr.io/google_containers/busybox”23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Created Created container with docker id 86849c15382e; Security:[seccomp=unconfined]23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Started Started container with docker id 86849c15382e After 35 seconds, view the Pod events again:kubectl describe pod liveness-execAt the bottom of the output, there are messages indicating that the liveness probes have failed, and the containers have been killed and recreated.FirstSeen LastSeen Count From SubobjectPath Type Reason Message——— ——– —– —- ————- ——– —— ——-37s 37s 1 {default-scheduler } Normal Scheduled Successfully assigned liveness-exec to worker036s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Pulling pulling image “gcr.io/google_containers/busybox”36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Pulled Successfully pulled image “gcr.io/google_containers/busybox”36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Created Created container with docker id 86849c15382e; Security:[seccomp=unconfined]36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Started Started container with docker id 86849c15382e2s 2s 1 {kubelet worker0} spec.containers{liveness} Warning Unhealthy Liveness probe failed: cat: can’t open ‘/tmp/healthy’: No such file or directory Wait another 30 seconds, and verify that the Container has been restarted:kubectl get pod liveness-execThe output shows that RESTARTS has been incremented:NAME READY STATUS RESTARTS AGEliveness-exec 1/1 Running 1 mNO.26 Task:Update the Deployment app-1 in the frontend namespace to use the existing ServiceAccount app.
See the solution below.ExplanationSolution:Text Description automatically generatedNO.27 ContextContextYour application’s namespace requires a specific service account to be used.TaskUpdate the app-a deployment in the production namespace to run as the restrictedservice service account. The service account has already been created.
Solution:NO.28 ContextTaskYou are required to create a pod that requests a certain amount of CPU and memory, so it gets scheduled to-a node that has those resources available.* Create a pod named nginx-resources in the pod-resources namespace that requests a minimum of 200m CPU and 1Gi memory for its container* The pod should use the nginx image* The pod-resources namespace has already been created
Solution:NO.29 ContextContextA project that you are working on has a requirement for persistent data to be available.TaskTo facilitate this, perform the following tasks:* Create a file on node sk8s-node-0 at /opt/KDSP00101/data/index.html with the content Acct=Finance* Create a PersistentVolume named task-pv-volume using hostPath and allocate 1Gi to it, specifying that the volume is at /opt/KDSP00101/data on the cluster’s node. The configuration should specify the access mode of ReadWriteOnce . It should define the StorageClass name exam for the PersistentVolume , which will be used to bind PersistentVolumeClaim requests to this PersistenetVolume.* Create a PefsissentVolumeClaim named task-pv-claim that requests a volume of at least 100Mi and specifies an access mode of ReadWriteOnce* Create a pod that uses the PersistentVolmeClaim as a volume with a label app: my-storage-app mounting the resulting volume to a mountPath /usr/share/nginx/html inside the pod
Solution:NO.30 Task:1) First update the Deployment cka00017-deployment in the ckad00017 namespace:Role userUI2) Next, Create a NodePort Service named cherry in the ckad00017 nmespace exposing the ckad00017-deployment Deployment on TCP port 8888 See the solution below.
ExplanationSolution:Text Description automatically generatedText Description automatically generatedText Description automatically generatedNO.31 Task:1- Update the Propertunel scaling configuration of the Deployment web1 in the ckad00015 namespace setting maxSurge to 2 and maxUnavailable to 592- Update the web1 Deployment to use version tag 1.13.7 for the Ifconf/nginx container image.3- Perform a rollback of the web1 Deployment to its previous version
See the solution below.ExplanationSolution:Text Description automatically generatedNO.32 Refer to Exhibit.TaskYou are required to create a pod that requests a certain amount of CPU and memory, so it gets scheduled to-a node that has those resources available.* Create a pod named nginx-resources in the pod-resources namespace that requests a minimum of 200m CPU and 1Gi memory for its container* The pod should use the nginx image* The pod-resources namespace has already been created
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What languages and platforms do it work with?
Kubernetes supports programming languages such as C++, Go, Java, Python, and PHP. All of them can be used on both Mac and Linux. Week runtime. runtime. There are various container orchestration frameworks available, but Kubernetes is unique because of its versatility. Search and discover applications developed in other languages and run them anywhere. The button shows you the price in your native currency. Saves costs by reducing unnecessary resource utilization. African diaspora, and other digital immigrants. You can quickly test your applications in multiple environments. Provides a very good platform for testing. In addition to Python and Java, Python 3 is supported by Kubernetes. Attempts to raise the level of security. Avoid vulnerabilities and infection by attackers. You can run Kubernetes in a variety of environments, such as cloud providers, bare metal, and virtual machines. Avoid the configuration overhead. Containers have a specific IP address that is different from the location of the underlying physical machine. CNCF CKAD Dumps can help you achieve that.

 

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Post date: 2023-04-23 13:43:09

Post date GMT: 2023-04-23 13:43:09

Post modified date: 2023-04-23 13:43:09

Post modified date GMT: 2023-04-23 13:43:09