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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q52-Q57):

NEW QUESTION # 52
You are running a service in Kubernetes that uses a persistent volume. You need to ensure that the volume is automatically cleaned up when the service is deleted. Which of the following approaches would you use?

A. There is no automatic way to clean up a persistent volume when a service is deleted; it needs to be done manually.
B. Delete the PersistentVolumeClaim manually when the service is deleted
C. Set the 'persistentVolumeReclaimPolicy' to 'Delete' in the PersistentVolumeClaim
D. Use a DaemonSet to run a cleanup script that removes the volume when the service is deleted
E. Configure a CronJob to periodically check for unused volumes and delete them

Answer: C

Explanation:
Setting the 'persistentVolumeReclaimPolicy' to 'Delete' in the PersistentVolumeClaim ensures that the volume is automatically deleted when the PVC is deleted. This is the most straightforward and recommended approach for cleaning up persistent volumes in Kubernetes.

NEW QUESTION # 53
Your organization is migrating a monolithic application to a serverless architecture on Google Cloud Platform. Which Google Cloud service would be the most suitable for running your application's backend logic?

A. Google Cloud Functions
B. Google App Engine
C. Google Cloud SQL
D. Google Cloud Storage
E. Google Kubernetes Engine (GKE)

Answer: A

Explanation:
Google Cloud Functions is the ideal choice for running backend logic in a serverless environment on Google Cloud. It offers a fully managed serverless execution environment for event-driven code. App Engine (A) is more suited for web applications. GKE (B) is a container orchestration service. Cloud Storage (D) is for data storage, and Cloud SQL (E) is for relational databases.

NEW QUESTION # 54
You want to deploy a new microservice to your Kubernetes cluster using GitOps principles. Which of
the following approaches would you use to manage the deployment process?

A. Manually create and apply Kubernetes YAML files using 'kubectl apply'.
B. Use a CI/CD pipeline to build and deploy the microservice directly to the cluster.
C. Use a Helm chart to package and manage the deployment of your microservice.
D. Store the desired state of your microservice (deployment configuration, service definition, etc.) in a Git repository and use a GitOps tool like Flux or ArgoCD to manage deployments.
E. Use a Kubernetes Operator to automate the deployment and management of your microservice.

Answer: D

Explanation:
GitOps emphasizes the use of Git as the single source of truth for managing your cluster's desired state. Option C correctly describes the GitOps approach by storing the configuration in a Git repository and using a GitOps tool to manage deployments, ensuring consistency and traceability.

NEW QUESTION # 55
Which of the following security features in Kubernetes allows you to define communication rules between pods based on labels, namespaces, and other criteria?

A. Pod Security Policies
B. Resource Quotas
C. Network Policies
D. Namespace Quotas
E. Admission Controllers

Answer: C

Explanation:
Network Policies in Kubernetes allow you to define fine-grained communication rules between pods based on labels, namespaces, and other criteria. This feature provides a powerful way to enforce network security and isolate workloads from each other.

NEW QUESTION # 56
Which statement is true about Pod Networking?

A. All pod requires NAT to get a unique IP address.
B. All pod requires an external DNS server to get the hostname
C. All containers in a pod get a unique IP address
D. All containers in a pod share a single IP address

Answer: D

Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/#pod-networking

NEW QUESTION # 57
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