---
title: "Docker Container These Questions Helpful for Interviews"
description: "Docker engine tricky interview questions added in this post. These are useful for interviews and project."
url: https://srinimf.com/2018/12/25/docker-top-interview-questions/
date: 2018-12-25
modified: 2026-10-10
author: "Srini"
image: https://i0.wp.com/srinimf.com/wp-content/uploads/2018/12/pexels-photo-416405.jpeg?fit=1880%2C1175&ssl=1
categories: ["Docker"]
tags: ["Docker image and container differences", "Docker interview questions", "Docker vs Vmachine"]
type: post
lang: en
---

# Docker Container These Questions Helpful for Interviews

Docker engine takes part to build applications, and make them as image. With group of images you can create container. You can ship these to any anywhere and run. Below are 7 top [Docker Container](https://srinimf.com/2020/12/13/how-docker-provides-security-to-its-containers/) Interview Questions.

## Docker

Understand docker in simple terms. It is an open standards platform. Open standards are available to the public. According to Tech crunch, the founder is ***Solomon Hykes*** in 2010

### 7 Interview Questions

1. Docker client and Docker daemon may not sit on the same host.
2. Images don’t have a state.
3. The Layers in Docker are read-only.
4. Layers are sharable among images.
5. Containers can communicate with each other. It can be within the host or outside.
6. Containers are lightweight. The reason is each container runs in the discrete process. Each one has native access. These shares host kernel.
7. Docker hub provides an environment to share and create images.

### Image Vs Container

The image in Docker is a file. It contains all executable instructions to run an application. It is like static package.

Related[Docker: Client, Daemon, Hub and Registry](https://srinimf.com/2020/11/18/4-components-of-docker-engine-architecture/)

A client through Docker daemon launches a container, then the image comes into memory. Until you launch the container, the image inside will not come to memory.

### Virtual Machine Vs Docker

Read: [The differences between VM and Docker](https://srinimf.com/2018/12/08/undesratnd-docker-useful-for-legacy-programmers/)

### Docker Architecture

![Docker](https://i0.wp.com/srinimf.com/wp-content/uploads/2018/12/Docker.jpg?resize=730%2C391&ssl=1)*Docker Architecture*

Docker on Twitter

[Tweets by Docker](https://twitter.com/Docker?ref_src=twsrc%5Etfw)
*Docker Official*

Code Magazine on Docker

[Tweets by CODEmagazine](https://twitter.com/CODEmagazine?ref_src=twsrc%5Etfw)

Keep Reading

- [Docker: Client, Daemon, Hub and Registry](https://srinimf.com/2020/11/18/4-components-of-docker-engine-architecture/)DateNovember 18, 2020
- [Mainframe Vs Docker Top Differences](https://srinimf.com/2018/12/08/undesratnd-docker-useful-for-legacy-programmers/)DateDecember 8, 2018
- [Jenkins Vs Dockers: 5 Top Differences](https://srinimf.com/2018/10/14/top-devops-tools-jenkins-vs-docker-real-differences/)DateOctober 14, 2018

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