Which of the following description about InfoEqualizer characteristic of the OceanStor 9000 storage system is wrong? (Multiple choice)

Which of the following description about InfoEqualizer characteristic of the OceanStor 9000 storage system is wrong? (Multiple choice)
A . Dynamic Domain Name: it is the domain name which the client returned to node dynamic external IP address, can support failover, recommended to use for CIFS protocol sharing.
B . Static Domain Name: it is domain name which the client returned to node static external IP address, recommended to use for NFS protocol sharing.
C . dynamic external IP address: after node fails, dynamic IP address can be assigned automatically to other nodes in the work, the client can access OceanStor9000 again by the IP address.
D . static external IP address: after the node fails, clients can no longer access OceanStor 9000 by the IP address.

Answer: AB