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| Certification Vendor: | Linux Foundation |
|---|---|
| Exam Name: | Certified Kubernetes Application Developer (CKAD) Exam |
| Exam Number: | CKAD |
| Exam Duration: | 120 minutes |
| Passing Score: | 66% |
| Exam Price: | $445 USD |
| Exam Format: | Hands-on tasks, Performance-based, Command-line based |
| Real Exam Qty: | 15-20 |
| Related Certifications: | Certified Kubernetes Security Specialist (CKS) Certified Kubernetes Administrator (CKA) |
| Certificate Validity Period: | 2 years |
| Available Languages: | Japanese, English, Simplified Chinese |
| Recommended Training: | Kubernetes for Developers (LFD259) Introduction to Kubernetes |
| Exam Registration: | Official Registration |
| Sample Questions: | Linux Foundation CKAD Sample Questions |
| Exam Way: | Online, remotely proctored |
| Pre Condition: | No formal prerequisites |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/certified-kubernetes-application-developer-ckad/ |
We recommend you use Linux Foundation CKAD practice material to prepare for your CKAD certification exam. NewPassLeader provides the most accurate and real Linux Foundation CKAD Exam Questions. These Linux Foundation CKAD practice test questions will assist you in better preparing for the final Linux Foundation CKAD exam.
Linux Foundation Certified Kubernetes Application Developer (CKAD) exam is a certification program that is designed to test the skills and knowledge of developers who work with Kubernetes. It is an online, performance-based exam that evaluates a candidate’s ability to design and build containerized applications that run on Kubernetes. CKAD Exam is designed to be challenging, but it is also an excellent way for developers to showcase their skills and knowledge in the Kubernetes ecosystem.
NEW QUESTION # 96 
Task
A Deployment named backend-deployment in namespace staging runs a web application on port 8081.
Answer:
Explanation:
See the solution below.
Explanation
Solution:
Text Description automatically generated
NEW QUESTION # 97
You have a container image that uses a specific version of a library. You want to update this library to a newer version while still keeping the previous version available for compatibility purposes. Describe the steps involved in modifying the container image to include both versions of the library without rebuilding the entire application.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Dockerfile:
- Create a new 'Dockerfile' with the following content:
- Replace 'your-library' Witn the actual library name. - Replace 'new-version' and 'old-version' witn tne desired versions. 2. Build the Image: - Build the image using tne DockerTlle: docker build -t updated-image:latest 3. Modify your application code: - Modify your application code to explicitly import the specific version of the library that you want to use. For example: python # Import the new version for new functionality from your_library impon new_functionality # Import the Old version for backward compatibility from your_library import old_functionality # Use the appropriate version of the library based on your requirements 4. IJpdate the Deployment - Modify your Deployment YAML file to use the newly built image:
5. Apply the Changes: - Apply the updated Deployment using kubectl apply -f deployment.yamr 6. Test the Application: - Access your application and ensure it functions correctly with both versions of the library.
NEW QUESTION # 98
You are deploying a resource-intensive application that requires a large amount of memory and CPU. How would you create a ResourceQuota to limit the resources consumed by this application and prevent it from impacting other workloads in the cluster?
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
I). Define the ResourceQuota:
- Create a ResourceQuota object named resource-limit' in the namespace where the application is deployed.
- Set the resource limits for the application by specifying the maximum allowed requests for CPU and memory.
- You can also set limits for other resources, such as pods and services.
2. Apply the ResourceQuota: - Apply the ResourceQuota configuration using 'kubectl apply -f resource-limit.yaml' 3. Test the Resource Limits. - Try to create or scale the resource-intensive application beyond the defined limits. - You should receive an error indicating that the ResourceQuota has been exceeded.
NEW QUESTION # 99
You have a stateful set named 'mysql-statefulset' that runs a MySQL database. The database data is stored in a PersistentV01umeClaim (PVC) named 'mysql-pvc' _ You want to ensure that the PVC is always mounted to the same pod, even after a pod restart or replacement. Additionally, you want to configure the PVC to use a specific storage class tor data persistence.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Storage Class:
- Create a storage class YAML file with the desired storage class name and parameters, such as 'accessModes', 'reclaimPolicy' , and 'provisioner'.
- Apply the YAML file using 'kubectl apply -f mysql-storage.yaml' 2. Create a PersistentVolumeClaim: - Create a PVC YAML file With the storage class defined, and specify the storage size and access modes for the PVC.
- Apply the YAML file using 'kubectl apply -f mysql-pvc.yamr 3. Define the StatefulSet: - Update the 'mysql-statefulset' YAML file: - Set the 'spec-template-spec-containers-volumeMounts' to mount the 'mysql-pvc' volume to the container- - Define a 'spec-volumeClaimTemplates' section to define the volume claim associated with the StatefulSet.
- Apply the YAML file using 'kubectl apply -f mysql-statefulset.yamr 4. Verify the StatefulSet: - Check the status of the StatefulSet using 'kubectl get sts mysql-statefulset' - Use ' kubectl describe pod mysql-o' to verify that the 'mysql-pvc' is mounted to the pod and the storage class is being used 5. Test Pod Replacement: - Delete a pod within the StatefulSet (e.g., 'kubectl delete pod mysql-O'). - Observe that a new pod is automatically created witn the same name Cmysql-ff) and the 'mysql-pvc' is mounted to it. 6. Monitor the Database: - Connect to the MySQL database using the 'kubectl exec' command and verify that the data is preserved even after a pod restan or replacement. These steps ensure that your mysql-statefulset utilizes a specific storage class for data persistence and the PVC is always mounted to the same pod, providing consistent data access. ,
NEW QUESTION # 100
You are building a container image for a Python application that requires several external libraries. You want to ensure that the image is as small as possible while still containing all necessary dependencies. What strategy should you use to optimize the image size? Explain your approach and provide a code example.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
I). Use a multi-stage Dockerfile: This allows you to have separate build and runtime stages. The build stage can include all necessary tools and dependencies for building the application, while the runtime stage only includes the essential components needed to run the application.
2. Minimize the base image: Choose a base image With only the necessary operating system components, tools, and libraries. I-Ising a slim image variant like 'python:3.9-slim' reduces the image Size significantly. 3. Use a lightweight package manager: Employ a lightweight package manager like 'pip' for installing Python dependencies. This helps keep the image lean 4. Optimize dependencies: Analyze your 'requirements.txt' file and remove any unnecessary dependencies or packages. This is crucial for reducing the overall size of the image. 5. Use caching wisely: In the 'Dockerfile', leverage caching by placing 'COPY commands for your application code before 'RUN' commands. This prevents unnecessary rebuilds of the image when only the application code changes. 6. Consider dependency bundling: If your application relies on specific library versions, consider using a tool like 'pip-tools' to lock down dependencies. This avoids issues where updates to external libraries introduce compatibility problems. 7. Remove unnecessary files: After building your image, inspect the image layers and identify any unneeded files. Remove these files using 'docker image prune' to further reduce image size.
NEW QUESTION # 101
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