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Jenkins is a popular Java-based automation tool used in the software development life cycle process. It is an open-source server that enables developers to automate several aspects of software development, including testing, building, continuous delivery, continuous integration, and deployment.
If you’re a software developer preparing for Jenkins interview questions, you should know that most questions are framed around automating various processes. Moreover, certain jobs, mainly those that involve testing and automation, require engineers to know the functioning of popular frameworks, automation tools, and core programming tools.
If you’re preparing for your next software developer interview, we’ll help you understand some commonly asked Jenkins interview questions that feature in programming interviews, specifically Java interviews, as Jenkins is a tool that supports Java.
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Let’s go ahead and look at some common Jenkins interview questions and answers. We’ll also cover some sample Jenkins interview questions to help you prepare a good number of questions for your next Java interview. Here’s what we’ll cover:
In this section, we’ll look at some common Jenkins interview questions and answers.
Continuous integration is a core feature in Jenkins where any changes made to the software are immediately integrated into the code. This feature enables code to be updated continuously and ensures the code is tested, deployed, and monitored at all times.
This is a common Jenkins interview question asked at Java interviews. Continuous deployment is a core feature through which the integrated code is continuously deployed to the target environment, making the process flow smoothly without delay in processing.
This is another popular Jenkins interview question asked at technical interviews. Jenkins is primarily used for software automation and helps to perform the following functions -
The different types of Jenkins pipelines include - the Scripted Pipeline and the Declarative Pipeline. Scripted pipelines help developers custom-define various aspects of the job, while declarative pipelines use predefined commands.
To securely store credentials, you need to install the credentials plugin. The plugin stores a wide range of credentials, including Jenkins build tokens, usernames, passwords, AWS credentials, and vault-related credentials.
If you’re an intermediate programmer with fairly good experience in Java, below are some intermediate Jenkins interview questions.
In this section, we’ll look at some advanced Jenkins interview questions to help you prepare for your upcoming technical interview.
Practicing answers to these above Jenkins interview questions will help you prepare adequately for your next technical interview.
Q1. What is Jenkins primarily used for?
Jenkins is a software automation tool used to automate specific tasks in the software development life cycle, including building, testing, integration, and deployment.
Q2. What are the core technical features of Jenkins?
The core technical features in Jenkins include - Continuous Integration, Continuous Delivery, and Continuous Deployment.
Q3. Does Jenkins use a shared library?
Yes, Jenkins has an integrated feature where developers can use shared libraries.
Q4. Which programming language is used to write code in Jenkins?
Java is the programming language that is used to write code in Jenkins.
Q5. In what type of interviews can you expect Jenkins interview questions?
Jenkins interview questions primarily feature in Java developer interviews.
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