Jenkins Jenkins Build Triggers and Scheduling 2

Question 1

In Jenkins Pipeline, which directive is used to define build triggers in a Declarative Pipeline?

Accepted Answer

triggers {}

Answer

schedule {}

Answer

when {}

Answer

cron {}

Question 2

What Jenkins Pipeline trigger syntax polls the SCM every 10 minutes?

Accepted Answer

pollSCM('H/10 * * * *')

Answer

cron('*/10 * * * *')

Answer

scm('H/10 * * * *')

Answer

poll('H/10 * * * *')

Question 3

Which Jenkins feature allows a build to be triggered automatically when a pull request is opened in GitHub?

Accepted Answer

GitHub Pull Request Builder plugin

Answer

Poll SCM trigger

Answer

Trigger builds remotely

Answer

Build periodically trigger

Question 4

If you want a Jenkins job to run only on weekdays (Monday through Friday) at 6 AM, what cron expression would you use?

Accepted Answer

0 6 * * 1-5

Answer

6 0 * * 1-5

Answer

0 6 * * MON-FRI

Answer

6 * * * 1-5

Question 5

What happens in Jenkins when both 'Poll SCM' and a webhook are configured for the same job?

Accepted Answer

Both can trigger builds; the webhook triggers immediately while Poll SCM serves as a fallback

Answer

Poll SCM overrides the webhook

Answer

The webhook overrides Poll SCM

Answer

Jenkins throws a configuration error

Question 6

Which Jenkins plugin provides the ability to trigger builds based on a Bitbucket webhook?

Accepted Answer

Bitbucket Plugin

Answer

Generic Webhook Trigger Plugin

Answer

SCM Sync Plugin

Answer

Multi-Branch Pipeline Plugin

Question 7

In Jenkins Declarative Pipeline, how do you configure a build to trigger via a cron schedule every hour?

Accepted Answer

triggers { cron('H * * * *') }

Answer

schedule { hourly() }

Answer

triggers { pollSCM('H * * * *') }

Answer

when { cron('H * * * *') }