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

CloudFront

• Explain what is CloudFront and what is it used for
• Explain the following
  • Origin
  • Edge location
  • Distribution
• What delivery methods available for the user with CDN?
• True or False? object are cached for the life of TTL

Network

Network questions can be found here