Acustomerhasanexistingrackenvironmentwith18x365and2x255servers.Howcanthecustomermonitorandmanagethehardwareevenifthesystemsareshutdown?()

A.UsePCAnywhereovertheEthernetLAN.

B.UseRDMandAurematomanagethesystems.

C.Connecthigh-speedmodemstoeachofthesystems’serialportstouseIBMDirector.

D.InterconnecttheRemoteSupervisorAdaptersII（RSAII）inthex365serverstothex255servers.