Which two considerations should the Solution Architect keep in mind while designing the solution for OOBO? Choose 2 answers

Which two considerations should the Solution Architect keep in mind while designing the solution for OOBO? Choose 2 answers
A . Every REST call between B2C Commerce and Service Cloud counts towards API governor limits.
B . The OOBO shopping experience requires that Salesforce service agent users authenticate against the B2C Commerce environment before creating the shopping session.
C . Middleware, like Mulesoft, must be used to ensure the security and uptime of the integration between B2C Commerce and Service Cloud.
D . The Service Agent cannot order on behalf of the customer if the customer is offline.

Answer: A,B

Explanation:

The REST calls between B2C Commerce and Service Cloud are subject to API governor limits, which can affect the performance and availability of the integration. The service agent users need to have B2C Commerce permissions and access keys to log in and place orders on behalf of registered storefront shoppers.