单项选择题
	A.1.2MB/s
	B.7.5MB/s
	C.12MB/s
	D.75MB/s
单项选择题 AcustomerhasarequirementforDisasterRecoveryforcompliancewithintheirindustry.TheyhaveanRPOof4hoursandanRTOof24hours.Costisaconsideration.WhatisthemostcosteffectiveDRimplementation?()
单项选择题 AcurrentNseriescustomerhasanIBMSystemStorageN3600.Theyareinterestedinfutureexpansion.Whatistheminimumnumberofdiskdrivesrequiredtopopulatetheexpansionshelf?()
单项选择题 AcustomerhasWindowsserversandapplicationsthatuseblockI/O.Thecustomercannotaffordthecostofafibrechannelinfrastructurebutstillrequiressharedstorage.Whichconfigurationmeetstheserequirementsatthelowestcost?()