In ServiceNow,Pluginsare used to activate additional applications or functionalities within a development instance. A plugin is apackage of features, configurations, and applicationsthat extends the platform’s capabilities.

Plugins introduce new capabilities– They allow you to enable or disable specific functionalities, such as ITSM, CMDB, HR Service Delivery, and Performance Analytics.

Plugins can be installed or activatedfrom theSystem Definition > Pluginsmodule.

Some plugins are available by default, while others require activation by an administrator or ServiceNow support.

Plugins can depend on other plugins, meaning some functionality requires multiple plugins to be activated.

A. App Package:No such term in ServiceNow. Applications in ServiceNow are delivered viaPlugins or App Engine Studio, not "App Package."

B. Updated Pack:Not a ServiceNow term. ServiceNow updates are delivered aspatches or application updates, not an "Updated Pack."

C. Patch:Apatchis a minor update or bug fix released by ServiceNow but does not introduce new functionality.

E. App Updated Set:Update Setstrack changes in a development instance but are used formigrating configurationsbetween instances, not for activating functionality.

ServiceNow Plugins Documentation:ServiceNow Docs

Managing and Activating Plugins in ServiceNow(Admin Guide)

Why is the Correct Answer "Plugin"?Why Not the Other Options?References from the Certified System Administrator (CSA) Official Documentation: