In the OceanStor V3 storage system, when NAS file system performs NDMP backup, the backup IP changes. What operations need to be performed to make the backup service run normally? (Multiple choice)

In the OceanStor V3 storage system, when NAS file system performs NDMP backup, the backup IP changes. What operations need to be performed to make the backup service run normally? (Multiple choice)
A . Log in DeviceManager, change the backup IP address to the latest backup IP address, and restart the NDMP service to make the configuration take effect.
B . Modify the mapping between the host name and ip in the /etc/hosts file of the backup server, and change the IP to the latest I
D . Log in to the backup software and reconfigure the startup backup policy.
E . If the backup IP is the default configuration (listening to all IP), there is no need to modify NDMP configuration.

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Answer: ABD