AnarchitectisconfiguringaPowerHAclusterinthefollowingwayTheclusterwillconsistoftwonodes.EachnodewillhavetwobootinterfacesconfiguredasasinglePowerHAnetwork.Theclusteristohaveasingleresourcegroupwithasingleserviceaddress.Heartbeatingoveraliasedisnottobeused.Whatistheminimumnumberofsubnetsrequiredtoimplementthiscluster？（）
A.1
B.2
C.3
D.4
参考答案：C
