A customer needs to create a number of LPARs on a new POWER6 server with some LPARs requiring a dedicated network and other LPARs utilizing Virtual Ethernet via a VIO server. Which limitation must be considered when planning the system configuration?（）

A VIO server requires a dedicated LHEA port.
B. There is a limit of 32 LPARs per virtual LA
C. Two VIO servers will be required. A single VIO server can only provide virtual storage or virtual Ethernet.
D. Two VIO servers will be required. One to provide virtual networking and another to provide dedicated networking.