Are you preparing for a DevOps or CI/CD interview? This collection of Jenkins MCQ questions with answers will help you quickly revise important concepts. Jenkins is one of the most popular open-source automation servers, widely used for building, testing, and deploying applications. In this post, we cover 25+ carefully selected Jenkins multiple-choice questions that can help both beginners and professionals strengthen their knowledge.
Jenkins MCQ Questions with Answers
Here is a collection of important Jenkins MCQ questions and answers to help you prepare for interviews and exams. These Jenkins multiple-choice questions cover basics to advanced topics.
1.) Identify the usage of Jabber plugin in Jenkins
- a.) to define the CRON scheduling of jobs
- b.) to copy the workspace from one job to another
- c.) to send instance notifications
- d.) to build the jobs automatically
Answer: C “to send instance notifications”
2.) __________ plugin in Jenkins automatically backs up the global and job specific configurations
- a.) Васкир
- b.) ThickBackup
- c.) ThinBackupd
- d.) None of the above
Answer: C “ThinBackupd”
3.) Which of the following options are true about join plugin in Jenkins
- a.) It allows a job to run after all the downstream jobs are completed
- b.) It allows a job to run after all the upstream jobs are completed
- c.) It is useful for creating ‘diamond shape’ project dependency
- d.) Both 1 and 3
- e.) Both 2 and 3
Answer: D “Both 1 and 3”
4.) Which plugin of Jenkins helps to render upstream and downstream of connected jobs
- a.) Build pipeline
- b.) Build flow
- c.) Build name setter
- d.) Build monitor
Answer: A “Build pipeline”
5.) Identify the command to check the status of Jenkins on a Debian-based system
- a.) sudo service jenkins status
- b.) sudo jenkins service status
- c.) sudo jenkins status
- d.) sudo status jenkins service
Answer: A “sudo service jenkins status”
6.) Which of the following can be parameters of agent in declarative pipeline
- a.) any
- b.) none
- c.) docker
- d.) label
- e.) All the above
Answer: E “All the above”
7.) Identify the relation between Hudson and Jenkins
- a.) Hudson is the traditional name of Jenkins
- b.) Hudson is the latest name of Jenkins
- c.) Jenkins is the traditional name of Hudson
- d.) No relation exists between Hudson and Jenkins
Answer: A “Hudson is the traditional name of Jenkins”
8.) Consider that an administrative user has locked out of admin console. How to turn off Jenkins security in such cases?
- a.) Change the settings to false in config.xml
- b.) Change the settings to true in config.xml
- c.) Change the settings to false in build.xml
- d.) Change the settings to true in build.xml
Answer: A “Change the settings to false in config.xml”
9.) Identify the plugin which can handle mass configuration of properties across collections such as slaves, project builds etc
- a.) slicing
- b.) Configuration slicing
- c.) Property slicing
- d.) build slicing
Answer: B “Configuration slicing”
10.) Identify the correct sequence of steps to complete the given scenario. When a Python project is tested on Jenkins, the percentage of code accessed by tests is to be calculated
- a.) Git pull project → build job → postbuild to publish generated test reports → install cobertura plugin
- b.) Git pull project → build job → postbuild to publish generated test reports → install Junit plugin
- c.) Git pull project → build job → install cobertura plugin → postbuild to publish generated test reports
- d.) None of the above
Answer: C “Git pull project → build job → install cobertura plugin → postbuild to publish generated test reports”
11.) In which pipeline, Jenkinsfile is written on the Jenkins UI instance itself
- a.) Declarative pipeline
- b.) Scripted pipeline
- c.) Build pipeline
- d.) Delivery pipeline
Answer: B “Scripted pipeline”
12.) Which of the following is true about Jenkins Cobertura plugin
- a.) generates code coverage reports
- b.) Jest-Junit is an alternative for Cobertura
- c.) Default report generated by this plugin is coverage.xml
- d.) Only 1 and 2
- e.) All the above
Answer: E “All the above”
13.) Select the suitable option to build the job automatically for every hour in Jenkins when any changes are made
- a.) Poll SCM schedule as * */1 * * * → Save
- b.) Git pull project → Poll SCM Schedule as * */1 * * * → Save
- c.) Build periodically schedule as * */1 * * * → Save
- d.) Git pull project → Poll SCM Schedule as H/1 * * * * → Save
Answer: D “Git pull project → Poll SCM Schedule as H/1 * * * * → Save”
14.) ________ functionality helps Jenkins to support flexible, extensible, and script-based Continuous Delivery
- a.) Freestyle project
- b.) Pipeline
- c.) Both 1 and 2
- d.) None of the above
Answer: B “Pipeline”
15.) The syntax of scripted pipeline is based on which of the following
- a.) gradle
- b.) python
- c.) groovy
- d.) java
- e.) scala
Answer: C “groovy”
16.) How to run Jenkins on a Tomcat application server
- a.) Configure the Jenkins user credentials in the tomcat-users.xml file and run tomcat
- b.) Download Jenkins war file in the webapps folder of apache tomcat and run tomcat
- c.) Download Jenkins war file in the Meta-INF folder of apache tomcat and append /jenkins to the tomcat URL
- d.) Download Jenkins war file in the webapps folder of apache tomcat and append /jenkins to the tomcat URL
Answer: B “Download Jenkins war file in the webapps folder of apache tomcat and run tomcat”
17.) Identify the command that allows the pipeline to determine whether to execute the phase based on the given condition(s)
- a.) when
- b.) which
- c.) what
- d.) None of the above
Answer: A “when”
Jenkins Security and Configuration MCQ
This Jenkins MCQ section covers authentication, authorization, and best practices for secure configuration.
18.) Where does Jenkins store its initial admin password
- a.) ./.jenkins/secrets/initialadminpassword
- b.) ./.jenkins/secret/initialadminpassword
- c.) ./jenkins/secret/initialadminpassword
- d.) ./.jenkins/secrets/adminpassword
Answer: C “./jenkins/secret/initialadminpassword”
19.) Which of the following is/are true about Jenkins master-slave configuration
- a.) Master machine will contain all the metadata related to a job
- b.) Jenkins master can have only limited number of slaves
- c.) Master and slave machines can be connected via SSH or remote management
- d.) Only 1 and 3
- e.) All the above
Answer: D “Only 1 and 3”
20.) Which of the following plugins can be used to set JDK as a build parameter
- a.) JDK integration plugin
- b.) Java JDK plugin
- c.) JDK parameter plugin
- d.) JDK plugin
Answer: C “JDK parameter plugin”
21.) Which of the following tasks can be performed by a stage in scripted pipeline
- a.) Cloning the source code from SCM
- b.) Selection of node
- c.) Deploying the code
- d.) Both 1 and 3
- e.) All the above
Answer: E “All the above”
22.) Which of the following options are true about ‘steps’ in Jenkins pipeline
- a.) Steps are the basic building blocks of pipeline
- b.) Steps allow to build, test and deploy applications
- c.) Jenkins pipeline uses steps to create any sort of automation process
- d.) Both 1 and 3
- e.) All the above
Answer: E “All the above”
23.) Which plugin can be used to assign the cleanup jobs to the specific nodes
- a.) LabelNodeParameter
- b.) LabelParameter
- c.) NodeParameter
- d.) NodeLabelParameter
Answer: D “NodeLabelParameter”
24.) Which of the following can be used to start Jenkins automatically when a Windows machine boots up
- a.) Run jenkins.war file
- b.) Install as Windows service
- c.) Run jenkins.jar file
- d.) Any of the above
Answer: B “Install as Windows service”
25.) Identify the command used to change the Jenkins default port
- a.) java -jar jenkins.war
- b.) java -war jenkins.jar
- c.) java -jar jenkins.war –httpPort=
- d.) java -war jenkins.jar –httpPort=
Answer: C “java -jar jenkins.war –httpPort=”
📌 Conclusion
Conclusion: Jenkins MCQ Practice for Interviews
We hope this list of Jenkins MCQ questions and answers has given you a solid understanding of key Jenkins concepts, plugins, and pipeline configurations. Practicing these Jenkins multiple-choice questions will not only boost your confidence but also prepare you for real-world DevOps and CI/CD challenges. For further reading, check out the official Jenkins documentation and continue exploring more MCQ quizzes on our site.