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Introducing Jenkins Certification

Jenkins Certification is a highly professional-grade certification that certifies the individual to have all the expected skills and experience to leverage the Jenkins programming language. Jenkins Certification consists of two kinds of certifications called the Certified Jenkins Engineer (CJE) and the Certified Jenkins Platform Engineer (CJPE). These certifications recognize you as the expert in handling the computer programming language with expertise and integrity.

The Certified Jenkins Engineer (CJE) exam consists of 60 multiple-choice questions testing knowledge of open-source Jenkins which will test your skills as a Jenkins Engineer.The Certified Jenkins Engineer (CJE) certification proves your qualifications in configuring and managing Jenkins jobs, pipelines, and cluster environments.

Jenkins Engineer Exam Information

The next important concern for certified Jenkins Engineer exam preparation refers to basic information about the exam. 

• The total duration of the exam is around 90 minutes, with almost 60 questions. 
• The format of the question would include multiple-choice questions aimed at testing the skills of candidates as a Jenkins Engineer. 
• All the questions in the exam are based on the version 1.625.2 of the Jenkins core. If not specified, all questions are based on a different standard installation of Jenkins without additional plugins. 
• Furthermore, candidates should note that they would not find questions in terms of sections but randomly. 

Exam Structure

This exam is comprised of 4 sections:

1. Key CI/CD/Jenkins concepts
2. Jenkins usage
3. Building Continuous Delivery (CD) Pipelines
4. CD-as-code best practices

View Online Certified Jenkins Engineer (CJE) Free Questions

1.Which job type Is always available In Jenkins without additional plugins?
A. Ant project
B. Make project
C. Grade project
D. Pipeline project
E. Freestyle project
Answer: E

2.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 forjobs 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
Answer: E

3.You are using GitHub repository scanning (in a project of type "GitHub Organization") with the Pipeline lenkinsfile Project Recognizer. 
In this case, which repositories under the organization will have Multibranch projects automatically created for them?
A. only repositories that contain a Jenkinsfile in all their branches
B. only repositories that contain a Jenkinsfile in at least one branch
C. all repositories that contain a Jenkinsfile in at least one branch or pull request
D. all repositories
Answer: A

4.A Freestyle job is configured to execute concurrent builds, and to only build on a specific agent (agent A) that has 4 executors. You observe that 2 Instances of the job are currently building while several others are waiting in the build queue.
Which of the following could explain why the builds are waiting in the build queue?
A. There are not enough idle executors available on agent A.
B. Changes were made to this job's configuration while this Job had builds in the build queue.
C. Each build in the build queue must be manually attached to an available executor.
D. The "Execute concurrent builds if necessary option in the job configuration has reached Its user-defined maximum.
Answer: A

5.Why Is the performance of a Jenkins master Improved by using a distributed builds architecture?
A. Because executors cannot be allocated on the master.
B. Because executors offloaded onto build nodes are not performant.
C. Because it prevents the CPU being overloaded during parallel polls.
D. Because it prevents builds from overloading a master's CPU/memory.
E. Because builds cannot be run In parallel on a master.
Answer: D