Duringtheinitialclusterdesign,adiskheartbeat,Point－to－Pointnon－IPnetworkisbeingplannedaspa

Duringtheinitialclusterdesign，adiskheartbeat，Point-to-Pointnon-IPnetworkisbeingplannedaspartofathree-nodeclusterimplementation.ThediskenvironmentwilluseLVMmirroringfordiskredundancy.ThevolumegroupswillbecreatedasEnhancedConcurrentCapable.Tofacilitatediskheartbeating，howmanydiskspernodeandhowmanynetworkswillberequired？（）

A.Onediskpernode，onenetwork

B.Twodiskspernode，onenetwork

C.Twodiskspernode，sixnetworks

D.Twodiskspernode，threenetworks