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Jenkins - Interview Questions and Answers for 'Jenkins' - 38 question(s) found - Order By Newest

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 Q1. What are the various ways in which build can be scheduled in Jenkins ?Jenkins
Ans. Builds can be triggered by source code management commits.
Can be triggered after completion of other builds.
Can be scheduled to run at specified time ( crons )
Manual Build Requests

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   Like         Discuss         Correct / Improve     java   jenkins   build management   build manager


 Q2. What is the relation between hudson and Jenkins ?Jenkins
Ans. Hudson was the earlier version of current Jenkins. After some issue , the project name was changed from Hudson to Jenkins.

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   Like         Discuss         Correct / Improve     java   hudson   jenkins


 Q3. What is a stable build ?Jenkins
Ans. A build is considered stable if it was built successfully and no publisher reports it as unstable.

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   Like         Discuss         Correct / Improve     jenkins  build management


 Q4. What is the difference between Maven, Ant and Jenkins ?Tool
Ans. Maven and Ant are Build Technologies whereas Jenkins is a continuous integration tool.

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   Like         Discuss         Correct / Improve     maven   ant   jenkins   build technologies


  Q5. What is Jenkins ?Jenkins
Ans. It is a continuous integration tool written in Java.

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   Like         Discuss         Correct / Improve     java   jenkins     Asked in 6 Companies      Basic        frequent


 Q6. Which SCM tools Jenkins supports ?Jenkins
Ans. AccuRev, CVS, Subversion, Git, Mercurial, Perforce, Clearcase and RTC

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 Q7. What you do to make sure that your project doesn't break in Jenkins ?Jenkins
Ans. I make sure that I perform successful clean install on my local machine with all unit tests.
Then I make sure that I check in all code changes.
Then I do a Synchronize with repository to make sure that all required config and POM changes and any difference is checked into the repository.

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 Q8. What you do when you see a broken build for your project in Jenkins ?Jenkins
Ans. I will open the console output for the build and will try to see if any file changes were missed.
If not able to find the issue that way, Will clean and update my local workspace to replicate the problem on my local and will try to solve it.

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 Q9. What is continuous integration ?Process
Ans. Continuous integration or CI is the practice, of merging all developer working copies to a shared mainline several times a day.

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   Like         Discuss         Correct / Improve     continuous integration   jenkins  hudson   build tools


 Q10. What is the difference between broken and unstable build ?Jenkins
Ans. Broken Build means as unsuccessful build whereas unstable build means build was created successfully but one of the Post Build report failed or could be a Test failure.

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 Q11. What is the upstream and downstream project in Build Systems ?Jenkins
Ans. Upstream project is a project whose successful build is required for executing the existing project build whereas Downstream project is the one that is waiting for the upstream project to build as it has the upstream project as dependency.

For example - X project has an upstream project y and downstream project Z. So It means X has dependency Y and is a dependency for Z.

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 Q12. What are Node / Slaves in Jenkins ?Jenkins
Ans. Slaves are computers that are set up to build projects for a master.

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 Q13. What is a publisher in Jenkins ?Jenkins
Ans. A publisher is part of build process that reports whether the build is stable or not. For example - Junit Test report publisher.

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 Q14. Can you name some of the field which you set while configuring a Jenkins Job ?Jenkins
Ans. Project Name , Type , Repository information , JDK, Build Triggers , Release build , Pre Build and Post Build steps.

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 Q15. Can we have a Jenkins job that would build from different project branches in SCM ?Jenkins
Ans. Yes , there is a facility to provide wild cards within repository branches to build. It will pick any branch for build that matches the wild card.

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 Q16. What is the difference between Maven and Jenkins ? Tools
Ans. Maven is a build tool whereas Jenkins is continuous integration system.

Maven deals with application compilation, build and packaging whereas Jenkins tracks SCM for triggering builds and packages, triggering parent project builds upon dependencies, initiating builds and performing alerts. So Jenkins is kind of a wrapper around SCM and Build Tool for continuous integration and deployment.

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   Like         Discuss         Correct / Improve     maven  jenkins  build tools


 Q17. What are the different job permissions possible in Jenkins, and what are the reasons you would use each?Jenkins
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 Q18. How do you fetch a job's artifacts from a remote system? Jenkins
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 Q19. How do you back up your jenkins job & master configs?Jenkins
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 Q20. How do you connect a build node to the Jenkins master with out using a web browser or being in front of the physical machine?Jenkins
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 Q21. What are the supported user authentication methods and when would you use each one?Jenkins
 This question is still unanswered. Can you please provide an answer.


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 Q22. What is the relation between Hudson and Jenkins?Jenkins
 This question is still unanswered. Can you please provide an answer.


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 Q23. How can you move or copy Jenkins from one server to another?Jenkins
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 Q24. What are the most useful plugins in Jenkins?Jenkins
 This question is still unanswered. Can you please provide an answer.


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 Q25. What are the two components Jenkins is mainly integrated with?Jenkins
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 Q26. Is it possible for the users to move the Jenkins from one server to another without changing its content?Jenkins
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 Q27. What are the conditions to deploy a custom build for a core plug-in?Jenkins
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 Q28. Which SCM tools does Jenkins support?Jenkins
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 Q29. Name some Jenkins plugins ?Jenkins
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 Q30. What do you mean by the term DSL Jenkins?Jenkins
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