1. What is Jenkins ?
Ans: It is a free source that can handle any kind of build or continuous integration. Jenkins is a popular tool for performing continuous integration of software projects.
2. Jenkins will be installed on server or clients ?
Ans: It will be installed on server where the central build will take place.
3. What is continous integration ?
Ans: It is a development practice that requires users to integrate code into a shared repository at regular intervals.
4. How to restart the jenkins from the browser ?
5. What is # of executors ?
Ans: Refers to the total number of concurrent job executions that can take place on the jenkins machine.
6. What is the use of the environment variables ?
Ans: It is used to add custom environment variables which will apply to all the jobs.
7. Jenkins stores all its system and build job configuration details as __________ files which is stored in the jenkins home directory.
8. What is the use of the script console ?
Ans: It is useful for advanced troubleshooting.
9. Jenkins is capable of handling parallel and distributed builds. True or False.
10. In Jenkins , What is security realm ?
Ans: Security realm which determines users and their passwords, as well as what groups the user belongs to.
11. What is authorization strategy ?
Ans: It help us to determines who has access to what.
12. What is the use of the CSRF Protection in Jenkins ?
Ans: It is used to prevent a remote attack against jenkins running inside your firewall.
13. What is the use of the security implication of building on master ?
Ans: It is used to protect jenkins master from malicious builds.
14. What is the use of the slave to master access control ?
Ans: It is used to protect jenkins master from malicious build agents.
15. What is the use of the securing JENKINS_HOME ?
Ans: It is used to protect jenkins from users with local access.
16. What is the purpose of using configuring content security policy ?
Ans: It is used to protect users of jenkins from malicious builds.
17. How to protect users of jenkins from malicious users of jenkins ?
Ans: Markup formatting
18. What kind of port uses by jenkin to communicate with agents launched via the JNLP protocol such as windows-based agents ?
Ans: TCP port
19. What is the use of the jenkins cli ?
Ans: It is used to provides a command to install plugins.
20. What is the name of the command which allows the user to trigger any job or pipeline for which they have permission ?
21. How to install jenkins in Mac-os ?
Ans: Command: brew install jenkins
22. How to run war version of the jenkins file ?
Ans: Command: java -jar jenkins.war
23. After installing jenkin how to access it from the browser ?
24. How to install lts version of the jenkins in macos ?
Ans: Command: brew install jenkins-lts
25. How to install jenkins in ubuntu ?
Ans: Command: sudo apt-get install jenkins
26. How to access the jenkins console log through docker logs ?
Ans: Command: docker logs container-name
27. What is jenkins pipeline ?
Ans: It is a suite of plugins which support implementing and integrating continuous delivery pipelines into jenkins.
28. What are the two types of syntax in which jenkinsfile can be written ?
29. What are the five advantages can users take from the features of the pipeline ?
30. What is pipeline ?
Ans: A pipeline is a user-defined model of a CD pipeline.
31. What is node in jenkins ?
Ans: A node is a machine which is part of the jenkins environment and is capable of executing a pipeline.
32. What is pipeline code ?
Ans: A pipeline’s code defines your entire build process which typically includes stages for building an application, testing it and then delivering it.
33. What is the use of the stage in jenkins ?
Ans: It is used by many plugins to visualize or present jenkins pipeline status/progress.
34. What is declarative pipeline ?
Ans: In declarative pipeline, the pipeline block defines all the work done throughout your entire pipeline.
35. What is scripted pipeline ?
Ans: In scripted pipeline, one or more node blocks do the core work throughout the entire process.
36. What is an agent in jenkins ?
Ans: An agent is typically a machine or container which connects to a jenkins master and execute tasks when directed by the master.
37. What is an artifact ?
Ans: An immutable file generated during a build or pipeline run which is archived onto the jenkins master for later retrieval by users.
38. What is core ?
Ans: The primary jenkins application which provides the basic web UI configuration and foundation upon which plugins can be built.
39. What is downstream ?
Ans: A configured pipeline or project which is triggered as part of the execution of a separate pipeline or project.
40. What is executor ?
Ans: A slot for execution of work defined by a pipeline or project on a node.
41. What is fingerprint ?
Ans: A hash considered globally unique to track of an artifact or other entity across multiple pipelines or projects.
42. What is label ?
Ans: User-defined text for grouping agents typically by similar functionality or capability.
43. What is master ?
Ans: It is a central which co-ordinating process which stores configuration, load plugins and renders the various user interfaces for jenkins.
44. What is plugin ?
Ans: An extension to jenkins functionality provided separately from jenkins core.
45. What is trigger ?
Ans: It is a criteria for triggering a new pipeline run or build.
46. What is upstream ?
Ans: A configured pipeline or project which triggers a separate pipeline or project as part of its execution.
47. What is workspace ?
Ans: It is a disposable directory on the file system of a node where work can be done by a pipeline or project.
48. What is the use of the folder in jenkins ?
Ans: An organizational container for pipelines and projects.
49. What is step in jenkins ?
Ans: Tell jenkins what to do inside of a pipeline or project.
50. What is publisher ?
Ans: It is a part of build after the completion of all configured steps which publishes reports, send notifications.