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35 interview questionsfor Network and Infrastructures engineer (2026)

Test your technical skills before an interview of Network and Infrastructures engineer with 35 corrected questions. Beginner, Intermediate or Expert level.

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Hard
15 votes1109 runs0 comment

List the different types of networks that can be created with Docker

DevOps
docker
networks
Axelat Sep 6, 2023
Medium
12 votes1058 runs
1 comment

What is the main advantage of multi-stage builds in a Dockerfile?

DevOps
dockerfile
docker
Axelat Sep 6, 2023
Medium
8 votes1004 runs1 comment

Connect an existing container to a Docker network

DevOps
docker
network
Axelat Aug 29, 2023
Easy
6 votes972 runs0 comment

List all Docker volumes on a machine

DevOps
docker
volumes
Axelat Sep 6, 2023
Easy
5 votes1031 runs0 comment

List all Docker images on your system

DevOps
docker
images
Axelat Aug 25, 2023
Easy
4 votes1007 runs0 comment

Explain why it is advisable to minimize the number of layers when creating a Docker image.

DevOps
docker
layers
Axelat Aug 25, 2023
Medium
4 votes955 runs
1 comment

View the layer history of a Docker image

DevOps
docker
image
Axelat Aug 25, 2023
Easy
4 votes889 runs0 comment

Redirect a specific host port to a container port in Docker

DevOps
docker
ports
Axelat Aug 25, 2023
Easy
3 votes894 runs0 comment

List all running containers with Docker

DevOps
docker
commands
Axelat Aug 25, 2023
Easy
2 votes938 runs0 comment

What is the purpose of the `docker image prune` command?

DevOps
docker
images
Axelat Aug 25, 2023
Easy
2 votes929 runs0 comment

Create a Docker volume

DevOps
docker
volume
Axelat Aug 25, 2023
Easy
2 votes927 runs0 comment

Force the shutdown of a container that was no longer responding

DevOps
docker
container
Axelat Aug 25, 2023
Easy
2 votes924 runs0 comment

Which instruction in a `Dockerfile` defines the user who will execute the following commands?

DevOps
dockerfile
user
Axelat Aug 25, 2023
Easy
2 votes906 runs0 comment

Why should you avoid running a container's main process as root?

DevOps
security
docker
Axelat Aug 25, 2023
Easy
2 votes493 runs0 comment

In which scenario would you primarily use the overlay network?

DevOps
docker
network
Mounirat Nov 8, 2024
Medium
2 votes77 runs0 comment

What is the main characteristic of an RODC in Active Directory?

DevOps
Active Directory
database
Maxime Chenaudat Feb 24, 2026
Easy
1 vote929 runs0 comment

Create a container from an image without starting it immediately

DevOps
docker
container
Axelat Aug 25, 2023
Easy
1 vote896 runs0 comment

Define the base of a Docker image in a `Dockerfile`

DevOps
dockerfile
instruction
Axelat Aug 25, 2023
Easy
1 vote894 runs0 comment

What is Docker?

DevOps
containers
docker
Axelat Aug 25, 2023
Easy
1 vote407 runs0 comment

Define the network driver to be used in a `docker-compose.yml` file

DevOps
docker-compose
network
Axelat Sep 6, 2023
Network and Infrastructures engineer tests