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Certified Kubernetes Application Developer (CKAD) Program Question and Answers

Certified Kubernetes Application Developer (CKAD) Program

Last Update Dec 14, 2024
Total Questions : 33

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Questions 1

Set Configuration Context:

[student@node-1] $ | kubectl

Config use-context k8s

Context

A user has reported an aopticauon is unteachable due to a failing livenessProbe .

Task

Perform 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.

Options:

Discussion 0
Questions 2

Task:

1) Create a secret named app-secret in the default namespace containing the following single key-value pair:

Key3: value1

2) Create a Pod named ngnix secret in the default namespace.Specify a single container using the nginx:stable image.

Add an environment variable named BEST_VARIABLE consuming the value of the secret key3.

Options:

Discussion 0
Questions 3

Set Configuration Context:

[student@node-1] $ | kubectl

Config use-context k8s

Context

You sometimes need to observe a pod's logs, and write those logs to a file for further analysis.

Task

Please 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

Options:

Discussion 0
Questions 4

Given a container that writes a log file in format A and a container that converts log files from format A to format B, create a deployment that runs both containers such that the log files from the first container are converted by the second container, emitting logs in format B.

Task:

• Create a deployment named deployment-xyz in the default namespace, that:

•Includes a primary

lfccncf/busybox:1 container, named logger-dev

•includes a sidecar Ifccncf/fluentd:v0.12 container, named adapter-zen

•Mounts a shared volume /tmp/log on both containers, which does not persist when the pod is deleted

•Instructs the logger-dev

container to run the command

which should output logs to /tmp/log/input.log in plain text format, with example values:

• The adapter-zen sidecar container should read /tmp/log/input.log and output the data to /tmp/log/output.* in Fluentd JSON format. Note that no knowledge of Fluentd is required to complete this task: all you will need to achieve this is to create the ConfigMap from the spec file provided at /opt/KDMC00102/fluentd-configma p.yaml , and mount that ConfigMap to /fluentd/etc in the adapter-zen sidecar container

Options:

Discussion 0
Questions 5

Task:

Update the Deployment app-1 in the frontend namespace to use the existing ServiceAccount app.

Options:

Discussion 0
Questions 6

Task:

1) Fix any API depreciation issues in the manifest file -/credible-mite/www.yaml so that this application can be deployed on cluster K8s.

2) Deploy the application specified in the updated manifest file -/credible-mite/www.yaml in namespace cobra

Options:

Discussion 0
Questions 7

Task

You 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

Options:

Discussion 0
Questions 8

Set Configuration Context:

[student@node-1] $ | kubectl

Config use-context k8s

Context

A web application requires a specific version of redis to be used as a cache.

Task

Create a pod with the following characteristics, and leave it running when complete:

• The pod must run in the web namespace.

The namespace has already been created

• The name of the pod should be cache

• Use the Ifccncf/redis image with the 3.2 tag

• Expose port 6379

Options:

Discussion 0
Questions 9

Set Configuration Context:

[student@node-1] $ | kubectl

Config use-context k8s

Context

A pod is running on the cluster but it is not responding.

Task

The desired behavior is to have Kubemetes restart the pod when an endpoint returns an HTTP 500 on the /healthz endpoint. The service, probe-pod, should never send traffic to the pod while it is failing. Please complete the following:

• The application has an endpoint, /started, that will indicate if it can accept traffic by returning an HTTP 200. If the endpoint returns an HTTP 500, the application has not yet finished initialization.

• The application has another endpoint /healthz that will indicate if the application is still working as expected by returning an HTTP 200. If the endpoint returns an HTTP 500 the application is no longer responsive.

• Configure the probe-pod pod provided to use these endpoints

• The probes should use port 8080

Options:

Discussion 0