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、A VIO server requires a dedicated LHEA port.
• B、There is a limit of 32 LPARs per virtual LAN.
• 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.