- What is Continuous Integration?
- What is Continuous Deployment?
- Can you describe an example of a CI (and/or CD) process starting the moment a developer submitted a change/PR to a repository?
- What is Continuous Delivery?
- What is difference between Continuous Delivery and Continuous Deployment?
- What CI/CD best practices are you familiar with? Or what do you consider as CI/CD best practice?
- 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?
- Where do you store CI/CD pipelines? Why?
- How do you perform plan capacity for your CI/CD resources? (e.g. servers, storage, etc.)
- How would you structure/implement CD for an application which depends on several other applications?
- How do you measure your CI/CD quality? Are there any metrics or KPIs you are using for measuring the quality?
- What is Jenkins? What have you used it for?
- What are the advantages of Jenkins over its competitors? Can you compare it to one of the following systems?
Travis
Bamboo
Teamcity
CircleCI - What are the limitations or disadvantages of Jenkins?
Explain the following:
Job
Build
Plugin
Node or Worker
Executor - What plugins have you used in Jenkins?
- Have you used Jenkins for CI or CD processes? Can you describe them?
- What type of jobs are there? Which types have you used?
- How did you report build results to users? What ways are there to report the results?
- 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
- How to secure Jenkins?
- Describe how do you add new nodes (agents) to Jenkins
- How to acquire multiple nodes for one specific build?
- 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?
- 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
- 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?
- What are some of Jenkins limitations?
- What is the different between a scripted pipeline to declarative pipeline? Which type are you using?
- How would you implement an option of a starting a build from a certain stage and not from the beginning?
- Do you have experience with developing a Jenkins plugin? Can you describe this experience?
- Have you written Jenkins scripts? If yes, what for and how they work?
- What is a Workflow in GitHub Actions?
- What is a Runner in GitHub Actions?
- What is a Job in GitHub Actions?
- What is an Action in GitHub Actions?
- In GitHub Actions workflow, what the ‘on’ attribute/directive is used for?
- True or False? In Github Actions, jobs are executed in parallel by deafult
- How to create dependencies between jobs so one job runs after another?
- How to add a Workflow to a repository?
I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I am working at Cotocus. I blog tech insights at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at I reviewed , and SEO strategies at Wizbrand.
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