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README.md

DevOps Interview Questions

Table of Contents

  1. Jenkins Questions
  2. AWS Questions
  3. Network Questions

Jenkins

beginner
  • Explain what is Jenkins and what is it used for
  • Explain each of the following in the context of nodes:
    • Master
    • Slave
    • Executor
    • Agent
    • Label
  • Explain each of the following in context of jobs:
    • Job
    • Build
    • Test
    • Artifacts
  • Explain the architecture of Jenkins
  • What are the different ways to trigger a build?
  • How do you start a build automatically upon a change in a certain repository?
  • What is a plugin?
    • What plugins are you using in Jenkins? Which do you consider to most useful?
  • Installation questions
    • How to install Jenkins?
    • How to install a plugin?
    • How to install an agent?
Intermediate
  • What type of jobs there are?
  • How do you notify users on build results?
    • Can also be asked like that: what ways there are to notify users on build results?
Advanced
  • Write a script to remove all the jobs which include the string "REMOVE_ME"

AWS

Global Infrastructure
  • Explain the following
    • Availability zone
    • Region
    • Edge location
S3 - beginner questions

  • Explain what is S3 and what is it used for

  • What is a bucket?

  • True or False? a bucket name must be globally unique

  • What objects in S3 consists of?

    • Another way to ask it: explain key, value, version id and metadata in context of objects

  • Explain data consistency

Network

Network questions can be found here