CJE Certified Jenkins Engineer (CJE) Question and Answers

Building in 60 minutes or less.

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

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

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

98%

70%

75%

60%

Set the "Build Periodically" trigger, but you don't have to specify an interval

None of these

Set the "GitHub hook trigger for GITScm polling" trigger

Set the "Poll scm" trigger, but you don't have to specify an interval

GitHub

Atlassian BitBucket

All of these

AWS CodeCommit

emailext

notice

email

alert

None of these

Authorization is more strict

Authorization identifies a user, while authentication dictates what a user is allowed to do.

Authentication identifies a user, while authorization dictates what a user is allowed to do.

http://:8080/job/My%20Freestyle%20Project/config.xml

http://:8080/job/Freestyles/job/My%20Freestyle%20Project/config.xml

http://:8080/job/Freestyles/job/My%20Freestyle%20Project/project.xml

http://:8080/job/My%20Freestyle%20Project/project.xml

agent { label 'docker'}

None of these

agent { docker 'openjdk'}

agent docker

Only top scoped projects will determine the health of a folder.

I don't know. Ask someone else.

Items in nested sub-folders are used to calculate the folders health.

Don't be silly. Folder's don't have health.

notice

alert

email

emailext

It reports its health as "failed" {"Raining Cloud" weather icon), because that is the "worst health of the sub-items".

It reports its health as "success" ("Sunny" weather icon), because that is the health of the "latest built item."

It must be configured with a dedicated "Health Metric" setting before it can report its health with weather icons.

It does not report its health on the folder level; only Jobs report health.

It will not be triggered.

It will be triggered if the polling detects a change In any git branch.

It will be triggered if the polling detects a change In the git branch "master".

It will be triggered if the polling detects a change in the git branch "development".

Tune the "timer" section for the project.

Choose not to use a clean checkout.

There's no way to reduce the time

Use a clean checkout.

Java

Perforce

Subversion

Git

Maven

You should configure Global Pipeline Libraries at the Github Organization level: The libraries are running as "untrusted" code, allowing developers to run code on the Groovy sandbox.

You should configufe Global Pipeline Libraries at the Pipeline level: The libraries are running as "untrusted" code, allowing developers to run code on the Groovy sandbox.

You should not configure any Global Pipeline Libraries at all: The libraries are running as "trusted" code, allowing all developers to execute privileged methods.

You should not configure any Global Pipeline Libraries at the folder level: The libraries are running as "trusted" code, allowing all developers to execute privileged methods.

Use a credential "SSH Username with private key", restricted to the Scope "System", for the node's SSH authentication.

You cannot use an SSH key-pair. Configure a password for the agent's SSH user, and create a credential of type "Username with password" for the node's SSH authentication.

Use a credential "SSH Username with private key", restricted to the Scope "Agents", for the node's SSH authentication.

The SSH key will be stored in the JENKINS_HOME/.ssh folder. Configure the agent to use a key from the "standard" SSH folder.

Jenkins

Subversion

Git

Both Git and Subversion

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

Clean up workspaces left by deleted Jenkins users.

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

Delete or restore old credentials details.

Prepare for migration from Jenkins 1 to Jenkins 2.

When you want to preserve resources on the master node

When you want to simplify your architecture

When you have few jobs and plenty of resources on your master

When security isn't a concern

False

True

.rb

.hpi

.groovy

.java

agent (dockerfile {filename ' Dockerfile' } }

agent { label 'Minux' }

agent docker

agent { docker ' centos:latest' }

agent none