Which of the following description about the arbiter server model for HyperMetro is correct? (Multiple choice)

Which of the following description about the arbiter server model for HyperMetro is correct? (Multiple choice)
A . The arbitration server is proposed to be deployed in a data center where the storage performance is better. When arbitration is needed, high-performance storage can win more easily and continue to provide services.
B . In the mode of arbitration server, if a site has the priority to obtain the request of arbitration, it is also possible to configure the site priority. The priority array side has the priority of arbitration wins and the heart interrupt but otherwise normal, the priority array will get the arbitration victory.
C . Double live domain contains array A and array B, arbitration server. If both Array A and the arbiter fail at the same time, Array B survives to provide service.
D . Arbitration server failure, the business will continue to operate normally.

Answer: BD