Top Jenkins Interview Questions And Answers

Top Jenkins Interview Questions And Answers



Question: What Is Jenkins?

Jenkins is self-contained, open source automation server used to automate all sorts of tasks related to building, testing, and delivering or deploying software.

Jenkins is one of the leading open source automation servers available. Jenkins has an extensible, plugin-based architecture, enabling developers to create 1,400+ plugins to adapt it to a multitude of build, test and deployment technology integrations.


Questions: What is a Jenkins Pipeline?

Jenkins Pipeline (or simply “Pipeline”) is a suite of plugins which supports implementing and integrating continuous delivery pipelines into Jenkins.

Question: What is the difference between Maven,Ant,Gradle and Jenkins ?

Maven and Ant are Build Technologies whereas Jenkins is a continuous integration tool.



Question: Why do we use Jenkins?

Jenkins is an open-source continuous integration software tool written in the Java programming language for testing and reporting on isolated changes in a larger code base in real time.
The Jenkins software enables developers to find and solve defects in a code base rapidly and to automate testing of their builds.

Question: What are Jobs in Jenkins?

Jenkins can be used to perform the typical build server work, such as doing continuous/official/nightly builds, run tests, or perform some repetitive batch tasks. This is called “free-style software project” in Jenkins.

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Question: How do you configuring automatic builds in Jenkins?

Builds in Jenkins can be triggered periodically (on a schedule, specified in configuration),or when source changes in the project have been detected, or they can be automatically triggered by requesting the URL.

Question: Which SCM tools Jenkins supports?

Jenkins supports version control tools, including AccuRev, CVS, Subversion, Git, Mercurial, Perforce, ClearCase and RTC, and can execute Apache Ant, Apache Maven and arbitrary shell scripts and Windows batch commands.

Question: Why do we use Pipelines in Jenkins?

Pipeline adds a powerful set of automation tools onto Jenkins, supporting use cases that span from simple continuous integration to comprehensive continuous delivery pipelines.

By modeling a series of related tasks, users can take advantage of the many features of Pipeline:




Code: Pipelines are implemented in code and typically checked into source control,giving teams the ability to edit, review, and iterate upon their delivery pipeline.
Durable: Pipelines can survive both planned and unplanned restarts of the Jenkins master.
Pausable: Pipelines can optionally stop and wait for human input or approval before continuing the Pipeline run.
Versatile: Pipelines support complex real-world continuous delivery requirements, including the ability to fork/join, loop, and perform work in parallel.
Extensible: The Pipeline plugin supports custom extensions to its DSL and multiple options for integration with other plugins.

Question: How do you create Multibranch Pipeline in Jenkins?

The Multi branch Pipeline project type enables you to implement different Jenkins files for different branches of the same project.
In a Multi branch Pipeline project, Jenkins automatically discovers, manages and executes Pipelines for branches which contain a Jenkins file in source control.

Question: What is a Jenkins file?

Jenkins file is a text file containing the definition of a Jenkins Pipeline and checks into source control.

Question: What are CI Tools?

Below is the list of few popular Continuous Integration tools:
Jenkins
TeamCity
Travis CI
Go CD
Bamboo
GitLab CI
CircleCI
Codeship

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Author:

My Name is Ankur Jain and I am currently working as Automation Test Architect.I am ISTQB Certified Test Manager,Certified UI Path RPA Developer as well as Certified Scrum Master with total 12 years of working experience with lot of big banking clients around the globe.I love to Design Automation Testing Frameworks with Selenium,Appium,Protractor,Cucumber,Rest-Assured, Katalon Studio and currently exploring lot in Dev-OPS as well. I am currently staying in Mumbai, Maharashtra. Please Connect with me through Contact Us page of this website.

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August 31, 2019 at 11:06 PM

Can you please update

Selenium(java) interview questions and answers.

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