Which Profile Merge Rule should be used?

A travel company wants to segment users based on their activity across a maximum of four devices.

Which Profile Merge Rule should be used?
A . Current Authentication Profile + a Data Source + No Device
B . Last Authentication Profile + a Data Source + Current Device Profile
C . No Authentication Profile + a Data Source + Current Device Profile
D . Current Authentication Profile + a Data Source + Profile Link Device Profile

View Answer

Answer: B