An administrator has an existing HMC and POWER6 570 connected to a network switch. The administrator is planning to install two POWER6 570s with a dedicated HMC.Which infrastructure is required for the new HMC?（）
A.An additional switch for the new HMC
B.Asynchronous adapters on the new HMC
C.The two 570 servers are directly connected to the new HMC
D.One 570 is directly connected to the new HMC and the other is directly connected to the existing HMC
参考答案：A
