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https://docs.servicenow.com/bundle/tokyo-servicenow-platform/page/administer/notification/task/t_CreateANoti
https://developer.servicenow.com/dev.do#!/learn/learning-plans/quebec/new_to_servicenow/app_store_learnv2_ The Weight field in an Email Notification determines which notification is sent when multiple notifications are triggered for the same record and recipients. Only the notification with the highest weight is sent. A weight value of zero means the notification is always sent when the notification’s When to send criteria is met. A weight value of -1 means that no email should be sent3. References: Email Notification Weight

There is no “copy” button on the application record (at least I couldn’t see one). Also, see here:https://docs.servicenow.com/bundle/sandiego-application-development/page/build/applications/reference/r_

Explanation/Reference: https://docs.servicenow.com/bundle/orlando-application-development/page/build/applications/task/ t_LinkAnApplicationToSourceControl.html

In ServiceNow, the Caller Access field is used to define the level of access that external scripts or applications have to a particular script include or application resource. The valid options for the Caller Access field are:
* None: No special restrictions are applied; the resource is accessible as defined by other security settings.
* Caller Restriction: Limits access to the resource, allowing only specified callers or applications to invoke it.
* Caller Tracking: Enables tracking of which callers are accessing the resource, providing an audit trail for monitoring purposes.
Options such as “Accessible from,” “Allow Configuration,” and “Caller Permission” are not valid selections for the Caller Access field.
For more detailed information, refer to the official ServiceNow documentation on Restricted Caller Access Privileges.

“Schema map: Provides a graphical representation of the relationships between tables.”
https://docs.servicenow.com/bundle/tokyo-platform-administration/page/administer/table-administration
/concept/c_TableAdministration.html

The ServiceNow App Repository is a central repository for all scoped applications that are published by all ServiceNow customers. It enables ServiceNow customers to upload and distribute applications between their instances. It also provides entitlements and version control for the applications.
ServiceNow application repository
Application Development Platform – ServiceNow
App Repo – ServiceNow Developer Blog

https://docs.servicenow.com/bundle/rome-application-development/page/build/applications/concept/c_DefaultDesignAccessPermissions.html

https://docs.servicenow.com/bundle/paris-servicenow-platform/page/administer/flow-designer/concept/spokes.ht A spoke is a scoped application containing Flow Designer content dedicated to a particular application or record type. Flow Designer provides a set of core actions to automate Now Platform processes. You can add application-specific core actions by activating the associated spoke.

You must script and configure all required behaviors Provided link has this statement: Extending an existing ServiceNow table means the new table inherits the parent table’s columns as well as its business logic.
The following statements apply when extending an existing table:
The parent table’s Access Controls are evaluated when determining access to the new table’s records and fields. This is true because Access Control (ACL) rules are inherited from the parent table to the child table, unless the child table has its own ACL rules that override the parent table’s rules. ACL rules are used to restrict the access to the data and functionality of the ServiceNow platform based on the user’s roles and conditions.
The new table inherits the functionality built into the parent table. This is true because the new table inherits the business logic and the relationships from the parent table, such as Business Rules, Script Includes, UI Actions, UI Policies, and Reference Fields. Business logic and relationships are used to define the behavior and the structure of the data on the ServiceNow platform.
The new table inherits all of the fields from the parent table. This is true because the new table inherits the columns and the attributes from the parent table, such as Field Name, Data Type, Default Value, and Mandatory. Columns and attributes are used to define the properties and the characteristics of the data on the ServiceNow platform.
The following statement does not apply when extending an existing table:
You must script and configure all required behaviors. This is false because you do not have to script and configure all required behaviors when extending an existing table, as some of the behaviors are already inherited from the parent table, as explained above. However, you can script and configure additional or customized behaviors for the new table, such as adding new fields, creating new Business Rules, or modifying existing UI Actions. References: Table Extension, Access Control Rules

Application Access is a feature that allows you to control the access level of other application scopes to your application’s data tables. You can use Application Access to control the following database operations:
Create: This operation allows the user to create new records on the table. You can enable or disable this operation by selecting or clearing the Can create option.
Delete: This operation allows the user to delete existing records on the table. You can enable or disable this operation by selecting or clearing the Can delete option.
Read: This operation allows the user to view the records on the table. You can enable or disable this operation by selecting or clearing the Can read option.
Write: This operation allows the user to modify the records on the table. You can enable or disable this operation by selecting or clearing the Can write option.
The one database operation that cannot be controlled with Application Access is Query. Query is not an operation, but a method of the GlideRecord class that is used to retrieve records from the database on the server-side. Query is not part of the Application Access rules, but it is affected by the Access Controls and the user’s roles.
References:
Application Access
[GlideRecord methods]

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]

In ServiceNow, the Application Picker is a tool that allows developers to select the active application scope. When an application is selected from the Application Picker, it sets the Application Scope to that application. This means that any configurations, scripts, or customizations made will be associated with the selected application’s scope. Therefore, the correct answer is D.
The other options are incorrect:
A . Selecting Global in the Application Picker sets the Application Scope to Incident: Selecting “Global” sets the scope to the global application, not specifically to Incident.
B . Global is a reserved application which does not appear in the Application Picker: The Global application does appear in the Application Picker and can be selected.
C . Selecting an application from the Application Picker does not set the Application Scope: Selecting an application does set the Application Scope.
For more detailed information, refer to the official ServiceNow documentation on Application Scope.

Flow Designer is a no-code platform capability that lets you automate business processes in a single drag-and-drop design environment. Some of the features of Flow Designer are:
* Add stages to a flow: You can define the stages of a flow to track its progress and status. Stages can be used to group actions, subflows, and conditions into logical units.
* Call a flow from another flow or subflow: You can reuse existing flows or subflows by calling them from another flow or subflow. This allows you to modularize your automation and avoid duplication of logic.
* Test a flow using the “Run as” feature: You can test a flow using the “Run as” feature to specify the user context and input parameters for the flow execution. This helps you to verify the functionality and performance of your flow before publishing it.
References:
* Flow Designer – No-Code Workflows – ServiceNow
* Flow Designer – ServiceNow
* Flow Designer Data Sheet – ServiceNow

“Restricted caller access [sys_restricted_caller_access] records track cross-scope applications or scripts that request access to an application, application resource, or event in the Now Platform.” <<== this is the third sentence down in the following link:https://docs.servicenow.com/bundle/tokyo-application-development/page/build/applications/concept/restrict

https://docs.servicenow.com/bundle/tokyo-application-development/page/script/server-scripting/concept/c_ServerScripting.html

The ServiceNow platform is designed to create applications that use forms, workflow, and reporting to solve business problems. Forms are used to interact with data stored in tables, workflow is used to automate and orchestrate processes, and reporting is used to visualize and analyze dat a. The platform does not require low-level programming libraries or multimedia features, as it provides standard tools and technologies for application development.
Reference = ServiceNow Certified Application Developer Exam Specification, Application Development Platform – ServiceNow