Scripting, Containers,and Automation - Part B

You need to inspect the network activity of a running container in Docker. Which command should you use?

docker inspect
docker network connect
docker ps
docker logs

You need to deploy an existing container image to your server. Which command should you use?

docker create
docker build
docker run
docker push

You need to connect to a running container named “webserver”. Which command should you use?

docker connect webserver
docker exec webserver
docker start webserver
docker run webserver

You need to view the log file of a running container on a Linux system. Which command should you use?

docker container logs
docker container inspect
docker container run
docker container stop

In a Linux system, which command is used to list all running containers?

docker list
docker show
docker ps
docker info

A Docker container runs an application on port 8080. You need to expose this port to allow external access to the application. Which command should you use to do this?

docker run -d -p 80:8080 image-name
docker run -d -p 8080:80 image-name
docker run -d -p 8080:8080 image-name
docker run -d -p 80:80 image-name

What are some examples of basic container operations that can be performed to start container processes?

docker start
docker run
docker create
docker stop

What are some examples of basic container operations that can be executed to stop container processes when managing containers?

docker stop [container_name]
docker pause [container_name]
docker kill [container_name]
docker rm [container_name]

You need to create a container image for a web application that uses Apache and PHP. Which command should you use to build the container image?

docker image build -t my-web-app:latest .
docker container build -t my-web-app:latest .
docker build -t my-web-app:latest .
docker image create -t my-web-app:latest .

You have created a Docker image and want to push it to a remote registry so that it can be accessed by other developers. Which command would you use to accomplish this task?

docker login
docker push
docker build
docker pull

You are setting up a new server environment and want to pull a specific version of a Docker image from a private registry. Which command should you use to pull the image?

docker image pull myregistry.com/myimage:latest
docker image pull myregistry.com/myimage:specificversion
docker image pull myimage:specificversion
docker image pull myimage

You want to list all the container images that are currently present on your system. Which command would you use?

docker container list
docker image ls
docker ps -a
docker image inspect

A developer needs to remove a container image from the local machine to save space. Which command should they use to remove the image?

docker rm [image name]
docker rmi [image name]
docker rm -f [image name]
docker rmi -f [image name]

You need to create a local copy of a remote Git repository. Which Git command should you use to achieve this?

git push
git commit
git clone
git pull

A developer has made changes to their local Git repository and wants to push those changes to the remote repository. Which command should they use?

git commit
git push
git clone
git status

Sarah is working on a project with her team members using Git. One of her team members has pushed some changes to the repository, and Sarah needs to get those changes. Which command should she use to retrieve the changes from the remote repository?

git add
git commit
git fetch
git merge

John is working on a project and has made some changes to a file named app.py in his Git repository. He wants to save these changes to the repository. Which Git command should he use to commit the changes to the repository?

git add app.py && git commit
git commit -m "Added changes to app.py"
git commit -a
git commit -f app.py

A developer wants to add a file to the Git repository and track changes made to the file. Which command should the developer use to stage the changes made to the file in preparation for committing?

git commit
git push
git add
git pull

In Git, what does the “checkout” command do?

Switches to a new branch
Creates a new branch
Deletes a branch
Renames a branch

You are working on a software project and want to create a new branch to experiment with some new features without affecting the main codebase. What Git command should you use to create a new branch?

git push
git clone
git checkout
git branch

A developer wants to mark a specific commit as a stable version of their project, which command should they use in Git?

git branch stable
git checkout -b stable
git commit -m "stable version"
git tag v1.0.0

You are working on a project and there are certain files that should not be tracked by Git. Which of the following Git command can you use to specify these files?

git clean
git add
git commit
gitignore

Which file format is commonly used in infrastructure as code technologies, particularly for defining configuration files, and is a human-readable data serialization language?

JSON (JavaScript Object Notation)
XML (Extensible Markup Language)
YAML (YAML Ain't Markup Language)
CSV (Comma-Separated Values)

Which of the following is a file format commonly used in infrastructure as code technologies to represent data in a human-readable way?

XML
CSV
YAML
PNG

In a DevOps environment, which utility is commonly used to automate the configuration management of multiple servers in parallel?

Terraform
Kubernetes
Ansible
Docker

Which of the following statements best describes the purpose of Puppet in infrastructure as code?

Puppet is used for container orchestration.
Puppet is used for server provisioning and configuration management.
Puppet is used for continuous integration and deployment.
Puppet is used for application monitoring and alerting.

Which of the following statements best describes the role of Chef in infrastructure as code?

Chef is a configuration management tool that uses Ruby DSL to write code.
Chef is an orchestration tool that automates the deployment and management of infrastructure.
Chef is a continuous integration and deployment tool that integrates with Git and Jenkins.
Chef is a container orchestration tool that manages Docker containers.

Which of the following is a feature of SaltStack?

SaltStack uses a master-slave architecture for controlling and managing multiple systems.
SaltStack uses YAML to define states and configurations.
SaltStack is primarily used for configuration management and automating repetitive tasks.
SaltStack uses a push-based system to deploy configurations and manage systems.

Which of the following statements is TRUE about Terraform?

Terraform is a configuration management tool used to manage infrastructure as code.
Terraform is a container orchestration tool used to manage containers in a cluster.
Terraform is a virtual machine manager used to create and manage virtual machines.
Terraform is a tool used for software build automation.

Which of the following is an example of a use case for continuous deployment (CD)?

Running a script to automate server configurations
Automatically building and testing code changes
Automatically deploying code changes to production
Automatically generating reports for management

What is the difference between a fast-forward merge and a three-way merge in Git?

A fast-forward merge creates a new merge commit, while a three-way merge does not.
A fast-forward merge is used when the branch being merged has no new commits, while a three-way merge is used when there are new commits.
A fast-forward merge can only be performed if the branch being merged is a direct ancestor of the current branch, while a three-way merge can be performed even if the branches have diverged.
A fast-forward merge is performed automatically by Git, while a three-way merge must be initiated manually.

You are working on a project with a team of developers, and you have been asked to integrate your code changes into the main branch. You have made some significant changes that touch several different files, and you want to ensure that your changes are integrated in a clean and organized manner. Which Git command should you use to achieve this?

git clone
git merge
git pull
git rebase

In a Git workflow, what is a Pull Request?

A request to pull changes from a remote repository to a local repository.
A request to merge a feature branch into the main branch.
A request to undo changes made in a branch.
A request to revert to a previous commit.

What is a Kubernetes Pod?

A Kubernetes object that represents a group of one or more containers and their shared storage and network resources.
A Kubernetes object that represents a collection of Pods, and is used to manage their scaling and self-healing capabilities.
A Kubernetes object that represents a storage volume that can be mounted to multiple containers within a Pod.
A Kubernetes object that represents a physical host machine that runs a containerized application.

Which of the following best describes a sidecar in Kubernetes?

A container that shares the same network namespace as the main application container in a pod.
A container that shares the same PID namespace as the main application container in a pod.
A container that runs in parallel with the main application container in a pod and provides additional functionality or support.
A container that is used to store and share data between multiple pods.

What is the purpose of an ambassador container in Kubernetes?

To facilitate communication between a pod and external resources
To handle incoming requests and distribute them to the appropriate pod
To provide additional functionality to a pod without changing its code
To manage the scaling of pods in a deployment

In a single-node multicontainer environment, what is Docker Compose used for?

Creating and managing containers on multiple nodes
Configuring container networking
Orchestrating multiple containers on a single node
Automating container builds and deployments

What is a popular open-source platform that provides container-native storage for Kubernetes?

NFS
Docker
Ceph
Samba

What is an overlay network in container networking?

A network that spans multiple nodes or hosts and connects containers over a single physical network.
A network that connects containers on the same host or node, enabling them to communicate with each other.
A network that isolates containers from each other and from the host, providing an additional layer of security.
A network that provides load balancing and routing services for containers, enabling them to communicate with each other and with external networks.

Which of the following statements describes bridging in container networking?

Bridging allows containers to communicate with each other over an overlay network.
Bridging connects containers to a shared virtual network adapter on the host system.
Bridging creates isolated virtual networks for each container on the same host.
Bridging enables containers to access external networks using NAT.

What is Network Address Translation (NAT) used for in container networking?

To map container IP addresses to external IP addresses
To isolate container networks from the host network
To allow containers to communicate with each other over the Internet
To provide load balancing for containerized applications

You are configuring container networking for a web server application that needs to communicate with the host system for access to external services. Which container networking mode should you use?

Bridge
Overlay
NAT
Host

What is a service mesh in a containerized environment?

A set of APIs used for service discovery and load balancing in a container environment
A security feature that encrypts data transmission between containers
A container networking model that allows containers to communicate with each other directly
An architecture pattern for managing and controlling the flow of traffic between services in a container environment

Which of the following tools is used for bootstrapping instances in a cloud environment and allows the customization of cloud instances during the boot process?

Terraform
Kubernetes
Ansible
cloud-init

You are deploying a new application in your organization’s container environment, and you need to pull the image from a remote location. Which of the following options is a popular container registry that can be used for this purpose?

Amazon Web Services (AWS)
GitHub
Docker Hub
Azure Container Registry

Scripting, Containers,and Automation – Part B

Scripting, Containers,and Automation – Part B

Anastasia-Instructor January 10, 2024

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