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？（）
- AA VIO server requires a dedicated LHEA port.
- BThere is a limit of 32 LPARs per virtual LAN.
- CTwo VIO servers will be required. A single VIO server can only provide virtual storage or Virtual Ethernet.
- DTwo VIO servers will be required. One to provide virtual networking and another to provide dedicated networking.