Which of the Following Is a Description of the UltraPath

Which of the following is a description of the UltraPath multipath setting? (Multiple answers)

A) The mode of operation of the array can be in-controller load balancing or inter-controller load balancing.
B) Load Balancing Mode Including wheel training algorithm, the maximum queue depth algorithm, the maximum workload algorithm.
C) After the connection is interrupted between the LUN home controller and the host, the host accesses the LUN through the peer controller. In this case, the over-trail software defaults the switched home controller of the LUN to the remote controller.
D) When multipath detects a preferred controller failure recovery, the I / O is resumed immediately at the preferred controller by default.