Huawei UMA products can be deployed in a logical series connection. Which of the following statements regarding the logical mode of this deployment method is correct?

Huawei UMA products can be deployed in a logical series connection. Which of the following statements regarding the logical mode of this deployment method is correct?
A . Logical mode: person -> slave account -> authorization -> master account -> target system.
B . Logical mode: person -> master account -> authorization -> slave account -> target system.
C . Logical mode: authorization -> slave account -> person -> master account -> target system.
D . Logical mode: target system -> slave account -> authorization -> master account -> person.

Answer: B