Exam3 — Docker | MCQ Portal

Question 1 of 5

What is Docker Compose primarily used for?

A. Building optimized production Docker images B. Defining and running multi-container applications with a single configuration file C. Monitoring container resource usage D. Pushing images to container registries

Question 2 of 5

What file format does Docker Compose use for its configuration?

A. JSON B. TOML C. YAML D. XML

Question 3 of 5

Which command starts all services defined in a docker-compose.yml file?

A. docker-compose run B. docker-compose up C. docker-compose start D. docker-compose build

Question 4 of 5

What does the `depends_on` directive do in a docker-compose.yml?

A. Defines CPU and memory resource limits for a service B. Specifies service startup order so dependencies start before dependent services C. Maps environment variables from a file into the service D. Sets the container restart policy

Question 5 of 5

Which command stops and removes containers, networks, and volumes defined in docker-compose.yml?

A. docker-compose stop B. docker-compose rm C. docker-compose down D. docker-compose kill