Certified Kubernetes Application Developer (CKAD) Practice Test

A Kubernetes ConfigMap is specifically designed to store non-confidential data in key-value pairs, making option C the most accurate answer. ConfigMaps allow you to separate configuration data from your application code, facilitating easier updates and management without the need to rebuild container images. This is particularly beneficial for managing environmental variables, command-line arguments, or configuration files, as it enables dynamic configuration of applications without redeployment.

While the other options reference important Kubernetes components or functionalities, they do not align with the purpose of a ConfigMap. Option A pertains to secrets management, which is handled by Kubernetes Secrets, specifically designed for storing confidential information. Option B relates to network policies, which govern the communication between different pods and services in a Kubernetes cluster and is managed through a different resource type. Lastly, option D refers to managing application deployment versions, which is typically managed through Deployments or StatefulSets rather than ConfigMaps. Consequently, the role of ConfigMaps is distinct and focused on handling non-confidential configuration data effectively.