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CJE Sample Questions Answers

Questions 4

You are tasked by management to explain continuous deployment. Your explanation will be used in the company's annual report, so you need to ensure you understand it properly. Which is the best definition?

Options:

A.

Building in 60 minutes or less.

B.

A software development practice where contributors are integrating their work very frequently to production in an automated fashion.

C.

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

D.

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

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Questions 5

What's a unit test?

Options:

A.

It tests the functionality of the project as a whole.

B.

It tests against the product specifications

C.

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

D.

It tests components coming together.

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Questions 6

Which are benefits of binary reuse (compiling once and reusing the built artifact across the rest of the pipeline)? Choose 3 answers

Options:

A.

guarantees the same source is tested in each environment

B.

allows the inclusion of environment configurations into the artifact

C.

enables selectively linking stubs and real classes representing an external interface

D.

ensures a single version b used throughout the pipeline

E.

allows a shorter cycle time

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Questions 7

What's the Jenkinsfile?

Options:

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

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Questions 8

In a JUnit report, if we set the "Health report amplification factor" to 2 and there's a 1% failure, what's the health score?

Options:

A.

98%

B.

80%

C.

60%

D.

75%

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Questions 9

You have a friend who wants fame and fortune from being a developer working with Jenkins. He wants to write code for it and doesn't know anything about it yet. He wants to know what language Jenkins is written in. You, of course, know the answer and are delighted to tell them. Which of the following do you tell them it's written in?

Options:

A.

.NET

B.

Ruby

C.

Python

D.

Java

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Questions 10

Pipelines often require access to protected resources such as servers, databases, and SCMs. Without using an external credentials manager, which of the following provides the most secure centralized mechanism for managing the "secrets" that Jenkins requires to login/authenticate (for example: keys, tokens, passwords)?

Options:

A.

Store the secrets on the Jenkins master using the Credentials plugin.

B.

Include the secrets In the home directory of the Jenkins agent account.

C.

Store the secrets required in the SCM alongside the application source code.

D.

Embed secrets into the build and deployment scripts invoked by the job.

E.

Store the secrets as Node Properties for each agent definition.

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Questions 11

Which is an invalid default project parameter?

Options:

A.

Boolean

B.

File

C.

String

D.

md5

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Questions 12

How do you navigate to the Plugin Manager?

Options:

A.

There is no graphical Plugin Manager

B.

Dashboard Left Panel -> Manage Jenkins -> Manage Plugins

C.

Dashboard Left Panel -> Manage Jenkins -> Configure System -> Manage Plugins

D.

None of these

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Questions 13

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

Options:

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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Questions 14

You are using the Jenkins CLI to communicate with a remote Jenkins master. Which are valid ways to authenticate your identity gain access?

Choose 2 answers

Options:

A.

A Jenkins user's username and GitHub API token.

B.

An SSH key matching an entry in the authorized_keys file of the user account that the Jenkins master process runs "as".

C.

A Jenkins user's username and Kerberos token.

D.

An SSH key matching a Jenkins user's public key.

E.

A Jenkins user's username and password or API token.

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Questions 15

You're setting up a folder config in Jenkins, and you set a couple of items called "child item with worst health" and "recursive." A colleague turns to you, since you know the answers to the rest of his questions, and asks you, "how do I determine the health of the folder with those items set?What's your answer?

Options:

A.

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

B.

I don't know. Ask someone else.

C.

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

D.

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

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Questions 16

You're at a job interview and the interviewer looks at you, trying to make you nervous. He looks down at his paper, looks up at you and asks, "How would you describe continuous integration?" You think to yourself. Which of the following answers is best?

Options:

A.

Building in 60 minutes or less.

B.

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

C.

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

D.

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

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Questions 17

Which is not a Git plugin-provided environment variable?

Options:

A.

GIT_COMMIT

B.

GIT_ORIGIN_URL

C.

GIT_URL

D.

GIT_BRANCH

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Questions 18

Where does the Jenkinsfile live?

Options:

A.

/var/lib/jenkins

B.

/etc/jenkins

C.

With your source code

D.

None of these

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Questions 19

Which TIIKII of the following are considered best practices when setting up rules for notifications?

Options:

A.

Send notifications only when direct intervention is needed.

B.

Do not send developers too many email notifications.

C.

Make sure the notification's target Is the right person.

D.

Send notifications by multiple channels (email, chat room, PagerDuty, etc.) to make sure they are received.

E.

Periodically change the recipient of emails, to make sure they are not classified as spam.

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Questions 20

What can a plugin do?

Options:

A.

Manage credentials for Jenkins

B.

All of these

C.

Add a build step option to Jenkins

D.

Provide backup functionality to Jenkins

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Questions 21

Which are Source Code Management tools?

Choose 3 answers

Options:

A.

Java

B.

Perforce

C.

Subversion

D.

Git

E.

Maven

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Questions 22

Which can be defined in and limited to a specific folder and its subfolders? Choose 4 answers

Options:

A.

Permissions to run jobs and Pipeline

B.

Credentials

C.

View definitions

D.

Plugins

E.

Pipeline shared libraries

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Questions 23

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?

Options:

A.

Continuous Integration

B.

Continuous Deployment

C.

Continuous Delivery

D.

Infrastructure as Code

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Questions 24

How do you set up the Git Plugin Git hook from a project configuration perspective?

Options:

A.

Set the "GitHub hook trigger for GITScm polling" trigger

B.

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

C.

None of these

D.

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

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Questions 25

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?

Options:

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

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Questions 26

How do you configure the distribution of builds on each node?

Options:

A.

You configure it in the global configuration

B.

It happens largely automatically; although, you can configure the number of executors on a node.

C.

You configure it from "Configure System"

D.

You configure it from the project configuration

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Questions 27

Which of the following are advantages of a Pipeline job when compared to a Freestyle job? Choose 2 answers

Options:

A.

Jenkins can be restarted while a build is In progress without impacting the build.

B.

Job definition can be loaded from the Source Code Management system at build time.

C.

No extra plugins must be installed.

D.

Builds can be parameterized.

E.

Builds can be triggered with millisecond granularity.

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Exam Code: CJE
Exam Name: Certified Jenkins Engineer (CJE)
Last Update: Apr 18, 2024
Questions: 186
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