单项选择题
A.a disk-to-disk backup solution keeping all storage in the data center
B.a backup solution that includes magnetic tape that is shipped to an off-site storage facility
C.a less powerful copy environment at a hot site with asynchronous mirroring and cluster technology
D.an exact copy of the primary environment at a hot site with remote mirroring and cluster technology
单项选择题 AcurrentNseriescustomerhasanIBMSystemStorageN3600.Theyareinterestedinfutureexpansion.Whatistheminimumnumberofdiskdrivesrequiredtopopulatetheexpansionshelf？（）
单项选择题 AcustomerhasWindowsserversandapplicationsthatuseblockI/O.Thecustomercannotaffordthecostofafibrechannelinfrastructurebutstillrequiressharedstorage.Whichconfigurationmeetstheserequirementsatthelowestcost？（）
单项选择题 AcustomerisconductingaproofofconceptwithanIBMSystemStorageDS5100attachedtoLinuxhosts.TheDS5100isrunninginadegradedstateandthe"collectallsupportdata"operationdoesnotcompletecorrectly.WhatalternatedatashouldbecollectedandforwardedtoIBMsupport？（）