CI/CD Questions | PrepOps.Dev

#1

What is Continuous Integration?

#2

What is Continuous Deployment?

#3

Can you describe an example of a CI (and/or CD) process starting the moment a developer submitted a change/PR to a repository?

#4

What is Continuous Delivery?

#5

What is difference between Continuous Delivery and Continuous Deployment?

#6

What CI/CD best practices are you familiar with? Or what do you consider as CI/CD best practice?

#7

You are given a pipeline and a pool with 3 workers: virtual machine, baremetal and a container. How will you decide on which one of them to run the pipeline?

#8

Where do you store CI/CD pipelines? Why?

#9

How do you perform plan capacity for your CI/CD resources? (e.g. servers, storage, etc.)

#10

How would you structure/implement CD for an application which depends on several other applications?

#11

How do you measure your CI/CD quality? Are there any metrics or KPIs you are using for measuring the quality?

#12

What is Jenkins? What have you used it for?

#13

What are the advantages of Jenkins over its competitors? Can you compare it to one of the following systems?

Travis
- Bamboo
- Teamcity
- CircleCI

#14

What are the limitations or disadvantages of Jenkins?

#15

Explain the following:

Job
Build
Plugin
Node or Worker
Executor

#16

What plugins have you used in Jenkins?

#17

Have you used Jenkins for CI or CD processes? Can you describe them?

#18

What type of jobs are there? Which types have you used?

#19

How did you report build results to users? What ways are there to report the results?

#20

You need to run unit tests every time a change submitted to a given project. Describe in details how your pipeline would look like and what will be executed in each stage

#21

How to secure Jenkins?

#22

Describe how do you add new nodes (agents) to Jenkins

#23

How to acquire multiple nodes for one specific build?

#24

Whenever a build fails, you would like to notify the team owning the job regarding the failure and provide failure reason. How would you do that?

#25

There are four teams in your organization. How to prioritize the builds of each team? So the jobs of team x will always run before team y for example

#26

If you are managing a dozen of jobs, you can probably use the Jenkins UI. But how do you manage the creation and deletion of hundreds of jobs every week/month?

#27

What are some of Jenkins limitations?

#28

What is the different between a scripted pipeline to declarative pipeline? Which type are you using?

#29

How would you implement an option of a starting a build from a certain stage and not from the beginning?

#30

Do you have experience with developing a Jenkins plugin? Can you describe this experience?

#31

Have you written Jenkins scripts? If yes, what for and how they work?

#32

What is a Workflow in GitHub Actions?

#33

What is a Runner in GitHub Actions?

#34

What is a Job in GitHub Actions?

#35

What is an Action in GitHub Actions?

#36

In GitHub Actions workflow, what the 'on' attribute/directive is used for?

#37

True or False? In Github Actions, jobs are executed in parallel by default

#38

How to create dependencies between jobs so one job runs after another?

#39

How to add a Workflow to a repository?

#40

In Zuul, What are the check pipelines?

#41

In Zuul, What are the gate pipelines?

#42

True or False? gate pipelines run after the check pipelines