Jenkins Jenkins Installation and Configuration

Question 1

What is the default port Jenkins runs on after a fresh installation?

Accepted Answer

8080

Answer

Jenkins listens on port 8080 by default after installation.

Question 2

Which file contains the main Jenkins configuration settings?

Accepted Answer

config.xml

Answer

The config.xml file in the JENKINS_HOME directory stores the main Jenkins configuration.

Question 3

What is the JENKINS_HOME environment variable used for?

Accepted Answer

To define the root directory where Jenkins stores all its data

Answer

JENKINS_HOME specifies the root directory where Jenkins stores jobs, plugins, and configuration data.

Question 4

Which Java version is the minimum requirement for Jenkins LTS 2.x?

Accepted Answer

Java 11

Answer

Jenkins LTS 2.x requires Java 11 as the minimum supported version.

Question 5

What is the purpose of the Jenkins initialAdminPassword file?

Accepted Answer

It provides the one-time setup password needed to unlock Jenkins for the first time

Answer

The initialAdminPassword file contains a one-time password required to complete the Jenkins initial setup wizard.

Jenkins Practice Test