When integrating multiple Pega Web Mashups into a single page, it is necessary to identify unique names for each mashup to ensure that they are embedded and function independently without conflict on the client's page. Reference: Pega Platform Help - Pega Web Mashup.

Building a mobile app from a Pega Platform application requires configuring certain key components for security and connectivity. Creating a certificate set (A) is essential for securing the app, ensuring that communications between the mobile app and the server are encrypted and authenticated. Configuring access to the Pega Mobile Build Server (B) is necessary for the app build and distribution process, allowing the Pega application to package and deploy mobile apps through Pega's cloud-based build service.References: Pega Community documentation on mobile app development and deployment.

A: Configuring a data transform to apply the Open-Review status on the appropriate assignments can be used to change the status of a case when it is assigned to a user for review.
D: Apply the Open-Review status to the appropriate assignments directly within the flow where the assignment is configured. Reference: Pega official documentation on case statuses and data transforms.

The difference between using the Call and Branch methods in an activity step to invoke other activities is that Call will return to the originating activity once the called activity completes, while Branch will not return to the originating activity and will skip the remainder of it after the called activity completes. Reference: Pega official documentation on activity methods.