Aligning data that must be preserved to the correct tier of storage until it is no longer useful is anexample of：（）

单项选择题Datadeduplicationratiosdependonmanyfactors.However，deduplicationratiosaregenerallygreaterforwhattypeofdata？（）

A.encrypted data
B.compressed data
C.archive data
D.multiplexed data streams

单项选择题WhatprotocolwouldallowanIBMSystemStorageN6040todoafilelevelbackuptoatapedevice？（）

A.FCP
B.NFS
C.HTTP
D.NDMP

单项选择题AcustomerhasanexistingDS5300systemattachedtotwoBrocadeswitcheswitheightWindowsservers.ThecustomerwantstoaddtheirSystemip750servertothisSAN.Fromthefollowingchoiceswhatisthesimplestandleastexpensivesolutionforthiscustomer？（）

A.add twofibre HBAs to the System i and connect to the SAN
B.add twofibre HBAs to the System i and connect to the Windows Servers
C.add twofibre HBAs to the System i and connect to the System i using VIOS
D.add two SAS HBAs to the Systemi array and connect directly to the DS5300

单项选择题AcustomerisplanningonestablishingaGlobalMirrorbetweentwoStorwizeV7000storagearrays.ThecustomerisplanningtoleaseanIPWANconnectionbetweensitesforthetasksandisrunningaSAP（database）applicationonOracle.Whichofthefollowingplanningconsiderationsismostimportant？（）

A.the distance between sites needs to be less than 100 kilometers
B.consistency groups should be created to maintain write order on the remote mirror
C.ensure sufficient bandwidth exists on the link based on average application workloads
D.ensuring a low round trip latency of less than 30ms on the WAN connection is required

单项选择题Astoragespecialistisdiscussingthecustomer’shighavailabilityplananddiscoversthattheyareonly80kilometers（50miles）fromtheintendedsite.Theyrequire7x24x365dataavailabilityinaUNIXenvironmentwithanRPOoftwominutes.TheyhavetwoDS5300systemslocatedatbothsites.WhichofthefollowingIBMstoragefunctionsbestmeetsthecustomer’sbusinesscontinuancerequirements？（）

A.HACMP
B.Volume copy
C.Metro Mirror
D.Global Mirror