A client has an existing p5 570 that is directly connected to a HMC. The customer will be purchasing another p5 570. Which of the following solutions would be appropriate to provide HMC connectivity to the second p5 570?（）

A. Implement a proxy server to provide multiple sources to one destination
B. Purchase an additional Ethernet adapter for each p5 570 to provide connectivity between the two
C. Purchase a network hub or switch so both p5 570s can connect to the single HMC
D. Purchase an additional HMC since multiple HMC are required when more than one POWER5 Enterprise class server is used Purchase an additional HMC since multiple HMC? are required when more than one POWER5 Enterprise class server is used