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Quiz 2025 First-grade Linux Foundation CKAD: Latest Braindumps Linux Foundation Certified Kubernetes Application Developer Exam Book

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After purchasing the CKAD exam dumps from UpdateDumps, you will have access to three formats designed by UpdateDumps for the preparation of the Linux Foundation CKAD exam. These Linux Foundation Certified Kubernetes Application Developer Exam exam dumps formats will provide actual Linux Foundation CKAD PDF Questions to help you prepare for the Linux Foundation CKAD exam.

The CKAD certification exam is a hands-on test that requires candidates to perform a variety of tasks related to Kubernetes application development. CKAD exam is conducted online, and candidates are required to complete a set of performance-based tasks within two hours. CKAD Exam Tests the candidate's ability to create and configure Kubernetes objects, deploy applications, troubleshoot issues, and manage Kubernetes resources.

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Linux Foundation Certified Kubernetes Application Developer Exam Sample Questions (Q161-Q166):

NEW QUESTION # 161
You are designing a container image for a Pytnon application tnat uses a specific version of a Pytnon library C requests'). You want to ensure that this specific library version is always used, regardless of the host system's installed version. Explain how you would achieve this within your Docket-file.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Install Library in Dockerfile:
- Utilize the 'COPY' instruction in your Dockerfile to copy a requirements file containing the exact library version you need.
- Use the 'RIJN' instruction to install the library from the requirements file.
- Example:
dockeflle
FROM python:3S
COPY requirements.txt
RUN pip install -r requirements-txt
COPY
CMD ["python", "app.py"l
2. Create Requirements File ('requirements.txt'):
- Create a 'requirements-txt' file within your project directory.
- Add the specific version of tne 'requests' library to this file.
- Example:
Requests==2.28.1
3. Build the Docker Image:
- Construct your Docker image using the Dockeflle.
- Run tne following command: 'docker build -t your-image-name .
4. Run the Container:
- Launch the container in Kubemetes.
- Verify that the 'requests' library with the specified version is successfully used within the container.

NEW QUESTION # 162
You're building a microservice architecture that uses a load balancer to distribute traffic across multiple instances of a service. You want to implement a health check mechanism that ensures only healthy instances receive traffic. Design a solution using Kubernetes Liveness probes and a service With a health check configuration.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define a Liveness Probe in the Deployment:

- Replace 'my-service-image:latest' with your service image. - Replace '8080' with the port your service listens on. - Adjust the probe settings as needed. 2. Create a Service with Health Check Configuration:

- 'healthCheckNodePort' is optional, but can be used for external health checks against the service. 3. Apply the YAML Files: - Apply the Deployment and Service using 'kubectl apply -f deployment_yamr and ' kubectl apply -f service.yaml'. 4. Verify the Health Checks: - Check the service logs for liveness probe results. - If a pod becomes unhealthy, it should be restarted by the liveness probe. - You can also use 'kubectl get pods -I app=my-service' to check the pod status. 5. Advanced Configuration: - Use 'exec' or 'httpGet' probes for more complex health check requirements. - Configure the 'failureThreshold' and "successThreshold' to adjust the probe's sensitivity. - Add a 'readinessProbe' to the Deployment for readiness checks that determine when a pod is ready to receive traffic. ,

NEW QUESTION # 163

Context
It is always useful to look at the resources your applications are consuming in a cluster.
Task
* From the pods running in namespace cpu-stress , write the name only of the pod that is consuming the most CPU to file /opt/KDOBG030l/pod.txt, which has already been created.

Answer:

Explanation:
See the solution below.
Explanation
Solution:

NEW QUESTION # 164
You are running a web application that requires high availability and resilience. You have implemented a deployment using a Deployment object in Kubernetes, but you want to ensure that your application can automatically recover from pod failures. Design a strategy using annotations that will enable automatic pod restarts in case of application failures.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define an Annotation: Add an annotation called ' kubernetes-io/restart-policy' to your Deployment's 'spec-template-metadata' section, setting its value to 'Always'.

2. Trigger Application Failures: You can intentionally trigger failures in your pods to test the restart policy You can use 'kubectl exec' to run commands inside a pod and simulate an application failure using 'Pkill -f s. For example, you can run a command like 'Pkill -f web-app' to terminate the web app process. 3. Monitor Pod Restarts: Observe the pods in your deployment using 'kubectl get pods -l app=web-app' . You will see that Kubernetes automatically restarts pods where the application has failed, ensuring your application remains available. 4. Confirm Automatic Restart Verify the 'restartCount of the affected pods using 'kubectl describe pod This will show the number of times the pod has been restarted due to the application failure. 5. Alternative Restart Policies: While 'Always' is the default policy, you can also use other restart policies like 'onFailure' (restarts only it the pod exits due to an error) or 'Never' (doesn't restart tne pod regardless of the reason for failure). Use the ' kubernetes.wrestart-policy' annotation to set these alternative policies as needed for specific applications. ,

NEW QUESTION # 165
You have a microservice application that relies on a Redis cacne for data retrieval. Design a multi-container Pod that incorporates a Redis sidecar container to provide local caching within the Pod. Ensure that the main application container can access the Redis sidecar container within the same Pod Namespace Without needing to communicate with an external Redis cluster.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define the Pod YAML: Create a Pod YAML file that includes both the main application container and the Redis sidecar container.

2. Configure Environment Variables: Set an environment variable 'REDIS HOST within the main application container to point to the Redis sidecar containers hostname- In Kubernetes, containers within the same Pod can communicate with each other using their container names. 3. Connect Application to Redis: Modifry' the application code to connect to the Redis instance using the 'REDIS HOST environment variable. For example, using a Python application with the 'redis-py' library: python import redis r = redis-Redis(host=os.environ.get('REDlS_HOST'), port=6379) # Perform Redis operations (e.g., r.set('key', 'value')) 4. Deploy the Pod: Apply the Pod YAML using 'kubectl apply -f my-app-pod.yamr 5. Verify Connectivity: Check the logs of the main application container to ensure it's successfully connecting to the Redis sidecar container Note: This approach provides local caching within the Pod, reducing external network calls and improving performance. It's important to consider potential data consistency issues if multiple Pods share the same Redis instance.

NEW QUESTION # 166
......

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Sean Ward Sean Ward

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