The SAP Fiori Apps Reference Library is a comprehensive online library of all available SAP Fiori apps. It provides information about the app features, technical data, configuration, and implementation. You can use the SAP Fiori Apps Reference Library to look up the business catalog(s) that grant access to an app by following these steps:
Go to the SAP Fiori Apps Reference Library website and log in with your SAP credentials.
In the search bar, enter the name or ID of the app you want to restrict access to, and click the search icon.
In the search results, click on the app tile to open the app details page.
On the app details page, scroll down to the Implementation Information section and expand the Configuration tab.
Under the Configuration tab, you will see the Business Catalog field, which lists the business catalog(s) that contain the app. You can click on the business catalog ID to view more details about it, such as the business roles, business groups, and other apps that are assigned to it.
References = SAP Fiori Apps Reference Library, Cloud Creating a Business Catalog

The initial list of known integrations is documented in the Business Driven Configuration Questionnaire (BDCQ). The BDCQ is a tool that helps you to capture the business requirements and scope of your SAP S/4HANA Cloud Public Edition project. It contains a series of questions that cover different aspects of your business processes, such as organizational structure, master data, configuration settings, and integration scenarios. The BDCQ also provides guidance on the best practices and recommendations for your project12.
One of the sections in the BDCQ is the Integration section, where you can document the initial list of known integrations that are relevant for your project. The Integration section contains questions about the integration scenarios that you want to enable, such as cross-system process integration, data replication, data migration, and third-party integration. The Integration section also provides information on the available integration options, such as SAP Cloud Platform Integration, SAP API Business Hub, and SAP Cloud ALM13.
The initial list of known integrations is important for your project, as it helps you to identify the integration requirements, dependencies, and risks that need to be considered in the project planning and execution. The initial list of known integrations also helps you to select the appropriate integration tools and methods, and to align the integration scope with the SAP S/4HANA Cloud Public Edition roadmap and release cycles13.
Therefore, the correct answer is A, as the initial list of known integrations is documented in the BDCQ. References = 1 Business Driven Configuration Questionnaire - SAP Help Portal 2 Business Driven Configuration Questionnaire - SAP Community 3 SAP S/4HANA Cloud Public Edition Integration - SAP Help Portal

Industry cloud solutions are cloud-based solutions that address specific industry needs and challenges. They are designed to complement and extend the capabilities of SAP S/4HANA Cloud Public Edition and other SAP solutions. You can find industry cloud solutions on the SAP Store, which is the online marketplace for SAP and partner offerings. On the SAP Store, you can browse, discover, try, buy, and deploy industry cloud solutions that suit your business needs. References = SAP S/4HANA Cloud Public Edition, SAP Learning, SAP Store