Top Jenkins Interview Questions and Answers

Frequently Asking Interview Question and Answers

Here we have provided you with Jenkins interview questions . You can recall whatever you have learned in Jenkins through these questions. These questions will also help you to boost your confidence level.

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1.Define Jenkins?

Answer : 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 software enables developers to find and solve defects in a code base rapidly and to automate testing of their builds.

2.How does Jenkins work?

Answer :Jenkins is an open source automation tool written in Java with plugins built for Continuous Integration purpose. Jenkins is used to build and test your software projects continuously making it easier for developers to integrate changes to the project, and making it easier for users to obtain a fresh build.

3.Why is Jenkins called Jenkins?

Answer :Jenkins (software) Jenkins is an open source automation server written in Java. … The Jenkins project was originally named Hudson, and was renamed after a dispute with Oracle, which had forked the project and claimed rights to the project name.

4.Is Jenkins a DevOps tool?

Jenkins. Jenkins is the go-to DevOps automation tool for many software development teams. It’s an open source CI/CD server that allows you to automate the different stages of your delivery pipeline. … Currently, it offers more than 1,000 plugins, so it integrates with almost all DevOps tools, from Docker to Puppet.

5.What are the advantages of Jenkins?

Answer :It helps developers in building and testing software continuously. It increases the scale of automation and is quickly gaining popularity in DevOps circles. One of the key advantages of Jenkins is that it requires little maintenance and has built-in GUI tool for easy updates.

6.What is Jenkins in simple words?

Answer :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 software enables developers to find and solve defects in a code base rapidly and to automate testing of their builds.

7.What is Jenkins and Maven?

Answer :Maven is a build tool, in short a successor of ant. It helps in build and version control. However Jenkins is continuous integration system, where in maven is used for build. Jenkins can be used to automate the deployment process.

8.Why Jenkins is used in selenium?

Answer : Jenkins is an open source automation server. It supports us to automate all sorts of tasks related to building, deploying and automating any project. It is cross-platform and can be used on Windows, Mac OS, Linux etc., As a part of Selenium, we use it to build and test our software continuously.

9.Is Jenkins a CI or CD?What is Jenkins?

Answer: Jenkins provides us seamless ways to set up a CI/CD environment for almost any combination of code languages and source code repositories using pipelines. It is an open source automation server which can be used to automate tasks related to building, testing, and delivering or deploying software.

10.What is continuous integration in Jenkins?

Answer : Continuous integration is a process in which all development work is integrated as early as possible. The resulting artifacts are automatically created and tested. This process allows to identify errors as early as possible. Jenkins is a popular open source tool to perform continuous integration and build automation.

11.What is CI and CD in Jenkins?

Answer : As the basis for modern DevOps processes, it’s important to understand CI/CD and learn how to set up a pipeline from scratch. … CI stands for Continuous Integration and CD stands for Continuous Delivery/Continuous Deployment. You can think of it as a process similar to a software development lifecycle.

12.What are the DevOps tools?

Must-Have DevOps Tools :

  1. Nagios (& Icinga) Infrastructure monitoring is a field that has so many solutions… from Zabbix to Nagios to dozens of other open-source tools. …
    Monit. …
  2. ELK – Elasticsearch, Logstash, Kibana – via …
  3. …
  4. Jenkins. …
  5. Docker. …
  6. Ansible. …
  7. Collectd/Collectl.

13.What is CloudBees Jenkins?

CloudBees is home to the original architects of Jenkins. Jenkins® is the most popular open source automation server, with more than 165,000 active sites, globally, and over 1,650,000 users. It was initially developed by Kohsuke Kawaguchi in 2004. At the time, Kohsuke was a developer at Sun.

14.What is meant by DevOps?

Answer: DevOps (Development and Operations) is an enterprise software development phrase used to mean a type of agile relationship between development and IT operations. The goal of DevOps is to change and improve the relationship by advocating better communication and collaboration between these two business units.

15.What is Maven used for?

Answer : Maven is a build automation tool used primarily for Java projects. Maven addresses two aspects of building software: first, it describes how software is built, and second, it describes its dependencies.

16.What is the use of Jenkins pipeline?

Answer :Jenkins Pipeline (or simply “Pipeline”) is a suite of plugins which supports implementing and integrating continuous delivery pipelines into Jenkins. A continuous delivery pipeline is an automated expression of your process for getting software from version control right through to your users and customers.

17.What is continuous delivery in Jenkins?

Jenkins is an open-source automation tool with a powerful plugin architecture that helps development teams automate their software lifecycle. Jenkins is used to drive many industry-leading companies’ continuous integration and continuous delivery pipelines.

18.What is the role of Jenkins in framework?

Answer : Jenkins is an leading open source continuous integration server built with Java. It is used to build and test software projects continuously making it easier to integrate changes to the project. It provides 985 plugins to support building and testing virtually any project.

19.Is Jenkins a web application?

Answer :Introduction. Jenkins is a Continuous Integration (CI) server or tool which is written in java. It provides Continuous Integration services for software development, which can be started via command line or web application server. And also, it is happy to know that Jenkins is free software to download and install.

20.How do I start Jenkins?

  1. To start Jenkins from command line
  2. Open command prompt.
  3. Go to the directory where your war file is placed and run the following command: java -jar jenkins.war.

Hope you find these Jenkins interview questions useful. Go through them carefully; they not only help in revisiting what you have learned but also will help you to face the interview with confidence.