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CJE CloudBees Certified Jenkins Engineer (CJE) Free Practice Exam Questions (2025 Updated)

Prepare effectively for your CloudBees CJE Certified Jenkins Engineer (CJE) certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 186 questions

Which can you do with the Jenkins Install Wizard? Choose 3 answers

A.

Install a pre-defined set of recommended plugins.

B.

Install Jenkins without any extra plugins.

C.

Choose the version of Jenkins core to install.

D.

Manually select plugins to install from a set of predefined plugins.

E.

Install all existing open-source plugins for Jenkins.

You were down in the data center working on something else and received a phone call to make a change on the Jenkins server. As the rack does not have sufficient power or internet for you to plug in your laptop, you decide to just use the console on the server itself. How would you access the CLI?

A.

All of these

B.

java -jar /var/lib/jenkins/jenkins-cli.jar -s http://localhost:8080/

C.

jenkins

D.

jcli

What interval syntax could I use to trigger a build every day?

A.

@daily

B.

H H * * *

C.

30 12 * * *

D.

All of these

You want to archive and track a build artifact, "build/mybuilt.jar", with a fingerprint from your team's build. How would you invoke the archiveArtifacts function to accomplish this?

A.

archiveArtifacts = 'build/mybuilt.jar', fingerprint: true

B.

archiveArtifacts artifacts: ''build/mybuilt.jar'

C.

archiveArtifacts artifacts: 'build/mybuilt.jar', fingerprint: false

D.

archiveArtifacts artifacts: 'build/mybuilt.jar', fingerprint: true

What does the M# of executors" field on the Jenkins master control?

A.

Maximum number of jobs which can be run concurrently on attached agents.

B.

Number of Java threads that can run Jenkins jobs.

C.

Number of external build agents that can be used for jobs run on this Jenkins master.

D.

Number of CPU cores configured for this master.

E.

Number of jobs that can execute simultaneously on the Jenkins master

Jenkins, along with several other automation platforms, provides developers and operators with tools that allow them to automate the deployment of environments with preconfigured source code, including the CI pipeline. What is this called?

A.

Continuous Integration

B.

Continuous Deployment

C.

Continuous Delivery

D.

Infrastructure as Code

You can set permissions for anonymous users with matrix-based security.

A.

False

B.

True

You have started work on a project with Docker integration. What is the proper syntax to invoke a Docker agent?

A.

agent {docker ‘openjdk’}

B.

deploy { docker 'openjdk' }

C.

docker 'openjdk' { install: true }

D.

docker { agent 'openjdk:latest' }

How can you easily see if a plugin you use needs to be upgraded to a new version?

A.

Check the plugin wiki.

B.

Search for the plugin in the Jenkins artifact repository.

C.

Email the maintained

D.

Check the Jenkins Update Center.

In Jenkins, which section in a Freestyle job configuration is used to execute a Linux (shell) or Windows (batch) command?

A.

Build

B.

Build Environment

C.

Source Code Management

D.

Build Triggers

E.

Post-build Actions

What is a code coverage test?

A.

It tests components coming together

B.

It tests against the product specifications.

C.

It tests a small piece of functionality, usually at the class method level.

D.

It tests how well your code is tested.

Which answer best describes continuous integration?

A.

A software development discipline where software is built so that it can be released to production at any time.

B.

A software development discipline where software is released continuously as part of an automated pipeline.

C.

Building in 60 minutes or less.

D.

A software development practice where contributors are integrating their work very frequently.

How can you downgrade a plugin?

A.

Overwrite the hpi file on the file system

B.

Click the "Downgrade to" button in the Plugin Manager

C.

All of these

D.

Use the advanced install option in the Plugin Manager to install an older hpi file than the plugin already installed.

What's the Jenkinsfile?

A.

None of these

B.

It's only used for freestyle projects

C.

It contains the definition for a pipeline

D.

It contains the basic configuration for Jenkins

Which Jenkins job status indicates that tests failed ?

A.

Aborted

B.

Success

C.

Unstable

D.

Failure

E.

Not Built

You are using a base Jenkins master in production with the recommended set of plugins.

The administrators have configured a Global Pipeline Library named "common-libs", stored in a git repository, with the configuration shown in the exhibit above.

You have a Pipeline job at the root of the Jenkins dashboard, whose script starts with the annotation @LibraryCcommon-libs') _

You want to test this Pipeline job with a beta version of the Global Pipeline Library "common-libs", stored on the branch named ‘’edge’’ the git repository.

Which of the following statements are TRUE? Choose 2 answers

A.

Replace the @ Library ('common- lib. ' _ annotation with QLibrary('common-libs@edge') and run the job again.

B.

Duplicate the Pipeline job in a folder with a local Global Pipeline Library referencing the git repository on the "edge" branch, and change libs') _ annotation to ^Library ('common-libs: edge1) Replace the ommon-libs1) _ annotation with ^Library (' common -libs: edge') _ and run the job again.

C.

Duplicate the pipeline job in a folder with a local Global Pipeline Library referencing the git repository on the "edge" branch, and change its

annotation to ^Library (' common - libs@edge' )

D.

A Jenkins test instance with the same configuration as the production Jenkins master can be used to achieve this, giving yourself administrator

rights to configure the "edge" branch on the Global Configuration.

E.

You cannot do this on this Jenkins instance.

DevOps teams can implement traceability of artifacts in a continuous delivery pipeline by using

A.

the Downstream Builds plugin

B.

manual recording

C.

the Pipeline plugin to fingerprint files

D.

Pipeline labels

Which of the following "agent" directives are not valid in Declarative Pipeline?

A.

agent (dockerfile {filename ' Dockerfile' } }

B.

agent { label 'Minux' }

C.

agent docker

D.

agent { docker ' centos:latest' }

E.

agent none

How would you invoke a Docker agent?

A.

agent { label 'docker'}

B.

None of these

C.

agent { docker 'openjdk'}

D.

agent docker

What is the preferred method for a Jenkins administrator to notify nil Jenkins users about upcoming system maintenance?

A.

Add text to the "System Message" field on the "System Configuration" page to populate a banner displayed across the top of the master's home page.

B.

On the "System Configuration" page, choose the "Maintenance Alerts" option from the "Alerts" dropdown menu and populate the box with a message to be added to all build logs.

C.

Populate the "Email Notifications" section of the "System Configuration" page with a message to be sent as email to all registered Jenkins users.

D.

On the master's dashboard, dick "add description" or "edit description" to populate a banner displayed across the top of the master's home page.

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Total 186 questions
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