What is AWS CodePipeline used for?

Automating the build, test, and deployment phases of an application's release process.

Monitoring application performance in production.

Hosting virtual machines for deployment.

What is Jenkins primarily used for?

Continuous Integration/Continuous Delivery (CI/CD)

Containerization of applications

What is the main purpose of a build trigger in Jenkins?

Specifying conditions for starting a build

Which condition must be met in order to remove a Docker container?

The container must be part of a network.

The container must have no attached volumes.

What does the “docker exec” command do?

Runs a command inside a running Docker container.

Stops a running Docker container.

What is the purpose of a tag in a Docker image?

Assign a version or identifier to a specific image variant.

Configure the network settings of the container.

Define environment variables in the image.

Store the image on a remote server.

Can Docker tags include both letters and numbers?

Yes, tags can contain letters, numbers, and special characters.

No, tags can only contain letters.

No, tags can only contain numbers.

Yes, but only lowercase letters are allowed.

How do you push a Docker image to Docker Hub?

docker push <username>/<image_name>:<tag>

docker deploy <image_name>:<tag>

Which of the following would NOT be a valid entry in a .dockerignore file?

A command like RUN apt-get update.

A folder path like node_modules/.

What is the role of the services section in a Docker Compose file?

It specifies the containers that should run in the application

It defines all the cloud services settings that Docker will use.

It configures the volume mounts for the containers.

It defines environment variables for the containers.

Where can you find the initial admin password for Jenkins after installing it?

In a file called secrets/initialAdminPassword inside the Jenkins home directory.

In the config.xml file of Jenkins.

In a log file located at /var/log/jenkins/jenkins.log.

In the Jenkins UI under the "Admin Settings" section.

What is the purpose of the "Build Triggers" section in Jenkins?

Defining when a build should be triggered automatically

Configuring the post-build actions

Triggering a notification after a build completes

Managing the versioning of builds

Which option would you select in Jenkins to trigger the current project after another project completes a successful build?

"Build after other projects are built"

"GitHub hook trigger for GITScm polling"

"Trigger for upstream projects"

What is a "stage" in a Jenkins pipeline?

A group of steps within the pipeline that perform a specific function, such as build or test

A notification action for completed builds

A command to trigger the Jenkins build

A container for all Jenkins jobs

What is the purpose of a .dockerignore file in a Docker context?

To exclude files and directories from the Docker build context, improving build efficiency.

To list all the Dockerfiles in a project.

To configure runtime settings for Docker containers.

To specify the images that should not be pushed to Docker Hub.

Where should the .dockerignore file be placed in a project?

In the same directory as the Dockerfile.

Inside the container's root directory.

What happens if you do not specify a tag when pulling a Docker image?

Docker will pull the image with the latest tag by default.

Docker will pull the first available image.

Docker will pull the image without any version.

What happens when you run “docker pull ubuntu”?

Pulls the latest Ubuntu image from Docker Hub

Installs Ubuntu on the host system

Clones the Ubuntu GitHub repository

What is required to push an image to Docker Hub?

A specific license for the image

What is AWS Cloud9 instance?

A cloud-based integrated development environment (IDE) that allows you to write, run, and debug code.

A virtual machine service for hosting web applications.

A cloud-based database management system.

A service for deploying containerized applications.

How do you expose a port from a container to the host in a Docker Compose file?

By mapping ports using the ports field

By specifying the port field under the service

What happens if a .dockerignore file is not included in a project?

All files in the build context will be included, potentially increasing the build time and image size.

Docker will generate a default .dockerignore file automatically.

The build will skip the ignored files by default.

Docker will fail to build the image.

What does the HTTPS (GRC) connectivity option in CodeCommit allow you to do?

Connect to CodeCommit repositories over HTTPS with a credential helper.

Connect to CodeCommit repositories using SSH keys.

Automatically clone repositories to AWS Lambda.

Encrypt repository data at rest.

How does the .dockerignore file improve Docker builds?

By excluding unnecessary files from the build, reducing transfer time and improving performance.

By prioritizing specific files for the Docker build process.

By caching frequently used files for faster builds.

What happens if you run “docker exec ” on a non-existing container?

An error will occur, stating the container does not exist.

The command will execute on the host system.

Docker will create a new container.

The container will automatically start in the background.

What is the purpose of IaC in DevOps?

Managing and provisioning computing infrastructure through machine-readable definition files

Automating software development processes

Optimizing application performance

Automating deployment pipelines in CI/CD using code

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