Which two statements are valid regarding Pega Web Mashup?

B: Mashup requests are checked for the corresponding mashup channel ID parameter to ensure that the request is coming from a trusted source and is intended for the Pega application.

D: A user can view their worklist in an external portal and select items on which to take action, which is one of the key features of the Pega Web Mashup as it extends Pega's capabilities to external web pages. References: Pega official documentation on Pega Web Mashup capabilities.