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 binary file that stores compiled pipeline definitions

Answer

A Jenkins configuration backup file

Answer

A plugin descriptor file

Question 2

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

Accepted Answer

Use parallel {} inside a stage block

Answer

Use concurrent {} block

Answer

Use parallel {} inside a stage's steps

Answer

Use concurrent: true on each stage

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

Saves files in source control

Answer

Archives artifacts for download

Answer

Compresses log files

Question 4

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

Accepted Answer

environment {}

Answer

params {}

Answer

variables {}

Answer

globals {}

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

To read a file from the workspace

Answer

To accept parameters at build time

Answer

To inject credentials into the environment

Question 6

What is a Shared Library in Jenkins?

Accepted Answer

A reusable collection of Groovy code centrally stored and shared across multiple pipelines

Answer

A plugin that shares build artifacts between jobs

Answer

A shared workspace mounted across agents

Answer

A library of pre-built Dockerfiles