Quiz | Croma Campus

How do you check the Docker daemon logs?

docker logs daemon
docker log
systemctl status docker
docker info

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Which command is used to restart a Docker container?

docker restart
docker rerun
docker reload
docker renew

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How do you access the shell inside a running Docker container?

docker exec -it
docker run -it
docker attach
docker connect

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What is the purpose of a Dockerfile?

To manage Docker images
To manage Docker containers
To automate the deployment of applications inside containers
To define the steps to create a Docker image

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What does CMD instruction in a Dockerfile specify?

The command to run in the container
The base image
The container environment variables
The ports to expose

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How do you remove all stopped containers in Docker?

docker container prune
docker container rm
docker rm $(docker ps -a -q)
docker system prune

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What does the command 'docker system prune' do?

Removes all unused data
Removes all Docker containers
Removes all Docker images
Removes all Docker networks

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Which file is used to define a Docker image?

Dockerfile
Docker-compose.yml
Docker-config.yml
Docker-image.yml

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Which Docker command is used to push an image to a registry?

docker pull
docker push
docker upload
docker send

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What is the command to display real-time statistics of Docker containers?

docker stats
docker status
docker info
docker top

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What is the command to list all nodes in a Docker Swarm?

docker swarm ls
docker node ls
docker nodes
docker swarm nodes

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What is Docker primarily used for?

Virtualization
Containerization
Cloud Computing
Code Compilation

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What is the command to update a service in Docker Swarm?

docker service update
docker service change
docker swarm update
docker service alter

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How do you list all Docker volumes?

docker volume list
docker volume show
docker volumes
docker volume ls

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What is the default name of the Docker network driver?

bridge
host
none
default

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How do you run a container in the background?

docker run -d
docker run -b
docker run --background
docker run --detach

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Which command is used to create a new Docker network?

docker network create
docker create network
docker net create
docker new network

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What command is used to remove an image in Docker?

docker rmi
docker remove
docker del
docker delete

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What is the purpose of the HEALTHCHECK instruction in a Dockerfile?

To specify the health check command for a container
To define environment variables
To define container volumes
To specify container ports

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What command would you use to create a Docker image from a Dockerfile?

docker commit
docker run
docker build
docker create

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Which command is used to stop a running container?

docker halt
docker end
docker stop
docker pause

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Which option is used with docker run to publish a container's ports to the host?

-p
-v
-e
-d

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Which command is used to create a Docker container?

docker run
docker build
docker create
docker start

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Which Docker component allows you to run multiple containers on multiple hosts?

Docker Compose
Docker Swarm
Docker Machine
Docker Engine

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How do you connect a Docker container to a network?

docker network join
docker network add
docker network connect
docker network link

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Which command is used to inspect a Docker container's details?

docker inspect
docker view
docker details
docker show

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What is the purpose of the LABEL instruction in a Dockerfile?

To add metadata to an image
To define container environment variables
To specify commands to run
To define default ports

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What is the command to create a Docker secret in Swarm?

docker secret create
docker create secret
docker secret add
docker swarm secret

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What is a Docker volume used for?

Storing Docker images
Persistent storage for containers
Networking containers
Scaling containers

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What is the purpose of the ENTRYPOINT instruction in a Dockerfile?

To specify the default command to run
To specify environment variables
To specify default ports
To specify base image

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