CloudBees Jenkins Engineer CJE Questions & Answers

• Question 51:

  Which practices optimize performance on large systems? Choose 2 answers

  A. Run all builds on agents and never on the master itself.

  B. Use the maximum number of executors at all times and avoid using labels.

  C. Avoid modifying Java parameters that control heap size and garbage collection.

  D. Use plugins as much as possible.

  E. Allocate specific masters for different build types and teams.

  Correct Answer: AD

• Question 52:

  What is the purpose of the "Manage Old Data" screen under "Manage Jenkins"?

  A. Delete artifacts, togs, and backups that are no longer required.

  B. Clean up workspaces left by deleted Jenkins users.

  C. Delete outdated configurations left by uninstalled, deleted, or upgraded plugins.

  D. Delete or restore old credentials details.

  E. Prepare for migration from Jenkins 1 to Jenkins 2.

  Correct Answer: C

• Question 53:

  Which statements about a Distributed Version Control System are correct? Choose 2 answers

  A. It makes It easy to fork and merge code.

  B. It requires one server in each location.

  C. It requires a central server and a standby server.

  D. It requires fast network access for daily work.

  E. It operates without a central server.

  Correct Answer: AE

• Question 54:

  In a Pipeline, the stage step_________.

  A. can be used to group a number of other steps into a logical unit for display

  B. collects a set of artifacts that can be referenced in a later Pipeline step

  C. prepares a test environment in Jenkins

  D. transfers artifacts to a staging server for testing

  Correct Answer: A

• Question 55:

  What is the purpose of the "Manage Users" section of the Manage Jenkins dashboard?

  A. Contains entries used for the security matrix or project security matrix.

  B. Defines aliases for credentials that have been created In the external security realm.

  C. Each user who is allowed access to Jenkins must have an entry in this Jenkins user database.

  D. Defines user groups used for role-based strategy authorization.

  E. Populates the Jenkins user database that can be used if you are not using an external security realm such as LDAP, Active Directory, or Unix user/groups.

  Correct Answer: C

• Question 56:

  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.

  Correct Answer: D

• Question 57:

  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.

  Correct Answer: A

• Question 58:

  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

  Correct Answer: A

• Question 59:

  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

  Correct Answer: E

• Question 60:

  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

  Correct Answer: E