1. What is Jenkins?
a. A version control system
b. A continuous integration and continuous delivery (CI/CD) tool
c. A cloud computing platform
d. An operating system
Answer: b
2. What is the primary purpose of Jenkins?
a. Managing containers
b. Automating software builds and deployments
c. Monitoring network traffic
d. Running virtual machines
Answer: b
3. Which programming language is Jenkins primarily written in?
a. Java
b. Python
c. Ruby
d. JavaScript
Answer: a
4. What is the default port on which Jenkins runs?
a. 80
b. 8080
c. 22
d. 443
Answer: b
5. Which of the following is NOT a common Jenkins plugin?
a. Git
b. Docker
c. Kubernetes
d. Apache HTTP Server
Answer: d
6. Which of the following is used to define the build process in Jenkins?
a. Dockerfile
b. Jenkinsfile
c. Makefile
d. Vagrantfile
Answer: b
7. What is the primary purpose of the Jenkins Pipeline?
a. Managing Docker containers
b. Defining build and deployment workflows
c. Monitoring system logs
d. Running unit tests
Answer: b
8. What is the purpose of Jenkins agents/Slaves?
a. They perform build and deployment tasks
b. They are the main Jenkins server
c. They manage Jenkins plugins
d. They are used for Jenkins backups
Answer: a
9. Which type of project in Jenkins is best suited for building and deploying code?
a. Freestyle project
b. Maven project
c. Pipeline project
d. Multibranch project
Answer: c
10. What is a Jenkins build?
a. A physical structure
b. A job that runs code compilation and testing
c. A storage location for code repositories
d. A Jenkins server
Answer: b
11. Which of the following is not a valid SCM (Source Code Management) system supported by Jenkins?
a. Git
b. Subversion
c. Mercurial
d. Kubernetes
Answer: d
12. What is the purpose of the Jenkins "Freestyle Project"?
a. To create a traditional software project
b. To build containers
c. To manage Kubernetes clusters
d. To monitor network traffic
Answer: a
13. Which Jenkins feature allows you to define build and deployment pipelines as code?
a. Jenkinsfile
b. Jenkins GUI
c. Jenkins Pipeline Manager
d. Jenkins Configurator
Answer: a
14. How can you trigger a Jenkins job to run automatically when code is pushed to a Git repository?
a. Configure a webhook in the Git repository
b. Schedule it to run at specific times
c. Manually trigger the job
d. Use a Jenkins agent
Answer: a
15. What is the purpose of the "Jenkinsfile" in a Pipeline project?
a. It contains Jenkins server settings
b. It defines the build and deployment pipeline as code
c. It lists all the Jenkins plugins used in the project
d. It stores environment variables
Answer: b
16. What is the benefit of using the "Jenkins Pipeline" over Freestyle projects?
a. Simplicity and ease of use
b. Advanced scripting and flexibility
c. Better integration with Docker
d. Strong support for Java projects
Answer: b
17. How can you secure your Jenkins installation?
a. Use a strong password for the admin account
b. Restrict access to specific IP addresses
c. Use SSL/TLS encryption
d. All of the above
Answer: d
18. Which of the following is a popular tool for code quality analysis integrated with Jenkins?
a. Jenkins Linter
b. Jenkins Analyzer
c. SonarQube
d. Jenkins Metrics
Answer: c
19. What is the purpose of the Jenkins "Blue Ocean" plugin?
a. To control Jenkins agents
b. To manage Kubernetes clusters
c. To provide a more user-friendly and visual interface for pipelines
d. To integrate with Git repositories
Answer: c
20. How can you archive and store build artifacts in Jenkins?
a. Use a separate Jenkins job to archive artifacts
b. Jenkins automatically archives them
c. Use an external storage system like AWS S3
d. Build artifacts cannot be stored in Jenkins
Answer: b
21. What is the purpose of "Jenkins Job DSL"?
a. It is a programming language used to define Jenkins jobs
b. It is a Jenkins plugin for managing databases
c. It is a tool for managing Docker containers
d. It is used for setting up Jenkins security policies
Answer: a
22. What is "Jenkins Configuration as Code" (JCasC)?
a. A tool for configuring Jenkins plugins
b. A way to store Jenkins configurations in a Git repository
c. A method to control Jenkins agents
d. A Jenkins scripting language
Answer: b
23. What is the purpose of the "Jenkins Artifactory Plugin"?
a. To integrate Jenkins with Artifactory for artifact management
b. To create Docker containers
c. To manage Jenkins agents
d. To run load tests
Answer: a
24. Which Jenkins plugin is commonly used for setting up build notifications and alerts?
a. Email Extension Plugin
b. Slack Plugin
c. Jenkins Alert Plugin
d. Webhook Plugin
Answer: a
25. How can you define environment-specific configurations in a Jenkins Pipeline?
a. Use environment-specific Jenkinsfiles
b. Use the "Jenkins Environment Plugin"
c. Use environment variables within the Jenkinsfile
d. Configure it in the Jenkins server settings
Answer: c
26. What is the purpose of the "Jenkins Global Tool Configuration"?
a. To configure Jenkins server settings
b. To define global environment variables
c. To manage Jenkins agents
d. To install and manage tools used in build processes
Answer: d
27. Which Jenkins plugin is used to build, test, and deploy Java projects?
a. Jenkins Java Plugin
b. Jenkins Build Tools Plugin
c. Jenkins Maven Plugin
d. Jenkins Java Compiler Plugin
Answer: c
28. What is "Jenkins Workspace"?
a. A physical office where Jenkins developers work
b. A folder on the Jenkins server where build jobs run
c. A Jenkins plugin for remote work management
d. A Jenkinsfile for specifying workspace configurations
Answer: b
29. What is "Jenkins Master"?
a. The primary developer working on Jenkins
b. The main Jenkins server responsible for managing build jobs
c. The administrator of Jenkins
d. A Jenkins plugin for controlling other plugins
Answer: b
30. Which type of Jenkins job is best for building code that is managed by a version control system?
a. Freestyle project
b. Maven project
c. Pipeline project
d. Multibranch project
Answer: c
31. What is the main purpose of the Jenkins "Multibranch Pipeline" project?
a. To manage multiple Jenkins servers
b. To build code from multiple branches of a repository
c. To create Docker containers
d. To manage Kubernetes clusters
Answer: b
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