The purpose of application scoping is NOT to provide a way of tracking the user who developed an application. Application scoping does not store or display information about the user who created or modified an application or its artifacts. The purpose of application scoping is to provide a relationship between application artifacts, provide a namespace to prevent cross-application name collisions, and provide controls for how scripts from another scope can alter tables in a scoped application. References: [Product Documentation | ServiceNow], [Advantages of Scoped Applications in ServiceNow]

Application Access is a feature that allows you to control the access level of other application scopes to your application's data tables. By setting the Accessible from field value to This application scope only, you can restrict the access to your data tables to only your application scope. This means that other application scopes cannot create, read, write, or delete records on your data tables, unless they have explicit permissions through Access Controls or other means.
References:
* Application Access
* [Application scope]
https://developer.servicenow.com/dev.do#!/learn/learning-plans/rome/new_to_servicenow
/app_store_learnv2_securingapps_rome_application_access
https://docs.servicenow.com/bundle/rome-application-development/page/build/applications/concept
/c_ExampleDenyingAllDesignAccess.html

Extending an existing table such as the Task table when creating a new application has several benefits, such as:
* You can repurpose existing fields by simply changing the label. For example, you can change the Short description field to Summary or Title for your new table.
* You can use existing fields with no modifications. For example, you can use the Assigned to, Priority, and State fields for your new table without changing anything.
* Existing logic from the parent table will be automatically applied to the new table. For example, you can inherit the Business Rules, Client Scripts, and UI Policies from the Task table for your new table.
The only option that is not true is d) All of the parent table records are copied to the new table. Extending a table does not copy any records from the parent table to the new table. It only creates a new table that inherits the fields and logic from the parent table.
References:
* [Extend a table]
* [Task table]

A benefit of creating an Application Properties page for each application you develop is that Application Properties allow a developer or admin to make changes to an application's behavior without modifying application artifacts. Application Properties are system properties that store configuration information for a specific application. They can be used to control various aspects of the application, such as feature flags, default values, thresholds, or URLs. By creating an Application Properties page, you can group and display all the properties related to your application in one place and make them easy to access and update. This way, you can avoid hard-coding static data in your application code and make your application more flexible and maintainable. Reference: Working with System Properties, Organizing your ServiceNow System Properties

* Table Extension in ServiceNow:Extending a table in ServiceNow means creating a child table based on a parent table. The child table inherits the fields, configurations, and functionality of the parent table.
* What is Inherited:
* Fields: All fields from the parent table are available in the child table.
* Functionality: The child table benefits from any business logic or workflows defined for the parent table.
* Access Controls: The child table respects the Access Control rules defined for the parent table unless explicitly overridden.
* Why Other Options Are Incorrect:
* Option B: This is incorrect because the new table does inherit fields from the parent table.
* Option C: This is incorrect because you do not need to script or configure behaviors from scratch; they are inherited.
* Option D: This is incorrect because Access Controls are not ignored; they still apply and can be extended or modified for the child table.
ServiceNow Developer Documentation on Table Inheritance.