An OceanStor 9000 storage system uses GE for the front-end network and 10GE for the back- end network.
Which of the following statements is incorrect about the ports on the P node as shown in the figure?

A.
Ports AO-1 and AO-1 are connected to the 10GE switch. A back-end network IP address must be planned
for each of the two ports.

B.
Ports B3-0 and B3-1 are connected to the front-end service switch. A front-end network IP address must be
planned for each of the two ports.

C.
NIC 0 is connected to the management and maintenance switch. You do not need to assign an IP address
for this port.

D.
Port IPMI is connected to the management and maintenance switch. You do not need to assign an IP
address for this port.