Jenkins Jenkins Pipeline 2

Question 1

What is a Jenkinsfile?

Accepted Answer

A text file checked into source control that defines the pipeline as code

Answer

A Jenkinsfile is a text file stored in source control that defines the pipeline using either Declarative or Scripted syntax.

Question 2

How do you define a parallel execution of stages in a Declarative Pipeline?

Accepted Answer

Use parallel {} inside a stage block

Answer

In Declarative Pipeline, parallel stages are defined using the `parallel {}` block inside a `stage {}` block.

Question 3

What does the `stash` step do in a Jenkins Pipeline?

Accepted Answer

Temporarily saves files for use in a later stage or node

Answer

The `stash` step saves a set of files from the workspace for retrieval with `unstash` in another stage or node.

Question 4

Which Declarative Pipeline directive is used to set environment variables for use in pipeline steps?

Accepted Answer

environment {}

Answer

The `environment {}` directive in Declarative Pipeline defines key-value pairs available as environment variables throughout the pipeline.

Question 5

What is the purpose of `input` step in a Jenkins Pipeline?

Accepted Answer

To pause the pipeline and wait for human approval before continuing

Answer

The `input` step pauses pipeline execution and displays a prompt requiring a human to approve or abort before the pipeline proceeds.

Jenkins Practice Test