Cloud Integration & Deployment Flashcards

What is the function of a Kubernetes ConfigMap?

Answer: To provide non-sensitive configuration data to pods as environment variables or files

A ConfigMap stores non-confidential key-value pairs that can be injected into pods as environment variables, command-line arguments, or config files.

Which AWS service provides a managed Kubernetes control plane?

Answer: AWS EKS

Amazon Elastic Kubernetes Service (EKS) provides a managed Kubernetes control plane, removing the need to install and operate your own.

In a CI/CD pipeline, what is the purpose of the 'build' stage?

Answer: To compile source code and create deployable artifacts

The build stage compiles source code, resolves dependencies, and packages the application into a deployable artifact such as a container image or binary.

What does the '--rm' flag do when running a Docker container?

Answer: Automatically removes the container filesystem after it stops

The '--rm' flag tells Docker to automatically remove the container and its filesystem when it exits, preventing accumulation of stopped containers.

Which Ansible module is used to copy files from the control node to managed hosts?

Answer: ansible.builtin.copy

The 'ansible.builtin.copy' module copies files from the Ansible control node (or local files) to remote managed hosts.

What is the role of an Ingress resource in Kubernetes?

Answer: To manage external HTTP/HTTPS access to services within a cluster

An Ingress resource manages external HTTP and HTTPS routing to Kubernetes services, enabling host-based and path-based routing rules.

Which environment variable is commonly used by AWS CLI and SDKs to specify the target AWS region?

Answer: AWS_DEFAULT_REGION

The 'AWS_DEFAULT_REGION' environment variable sets the default AWS region for CLI commands and SDK calls when no region is explicitly specified.