Comprehensive and Detailed Step-by-Step Explanation:
* 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.
References:
* ServiceNow Developer Documentation on Table Inheritance.

The Guided Application Creator (GAC) is a tool that helps you create applications on the ServiceNow platform by guiding you through the steps of defining the data model, user interface, and logic. When using the GAC, you can designate data tables in three ways:
Upload an existing PDF: You can upload a PDF file that contains the table schema and sample data. The GAC will parse the PDF and create the table and fields based on the file content.
Create a new table on the platform: You can create a new table on the platform by specifying the table name, label, and description. You can also add fields, indexes, and relationships to the table using the GAC.
Upload an existing spreadsheet: You can upload a spreadsheet file that contains the table schema and sample data. The GAC will parse the spreadsheet and create the table and fields based on the file content.
The other options are not valid ways to designate data tables when using the GAC. You cannot upload an existing word processing document or use a freeform database. You can use an existing table on the platform, but you cannot designate it as a data table. You can only use it as a reference table for lookup fields.
Reference:
Guided Application Creator
Create a table from a PDF or spreadsheet
Create a table from scratch

To link a ServiceNow application to a Git repository, you need to provide the user name, URL, and password of the Git account that hosts the repository12. The URL is the address of the Git repository that you want to link to the application. The user name and password are the credentials that you use to access the Git account. Alternatively, you can use a personal access token instead of a password for increased security3.
References = 1: Link an application to source control - ServiceNow Docs 2: Publish an application to the application repository - ServiceNow 3: Linking anapplication to Git using a personal access token instead of a password - ServiceNow

https://docs.servicenow.com/bundle/rome-application-development/page/build/applications/concept/c_DefaultDesignAccessPermissions.html The baseline behavior of a table in a privately-scoped application is that all application scopes can read from the table. A privately-scoped application is an application that restricts write access to its tables and resources to scripts within the same scope. However, read access is allowed by default for all scopes, unless the administrator explicitly denies it using an Access Control rule. This allows for data sharing between different applications while maintaining data integrity and security. Reference: [Product Documentation | ServiceNow], [Advantages of Scoped Applications in ServiceNow]

Checkbox tooltip: "Show this module when the user has the specified roles. Otherwise the user must have the roles specified by both the application menu and the module."