Which of the following scenarios is suitable for DRS dynamic resource scheduling in FuisonSphere? (Multiple choice)
A . Automatically migrate virtual machines to several centralized servers at night, power off other physical machines
B . Load balancing within the cluster to avoid excessive resource occupancy of some physical machines
C . On the same physical machine, release the memory of the idle virtual machine to the virtual machine with higher usage rate.
D . When the load of a physical machine is too high, some virtual machines are moved to other physical machines with lower load.
Answer: BD