Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（）

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

单项选择题AnexistingcustomerwithaTivoliStorageManagerbackupenvironmentishavingdifficultycompletingbackupswithinthebackupwindowonmultiplemissioncriticalservers.TheseserversareconnectedtoaDS5300viaanIBM2054-E06director.TheTSMserveralsoconnectstoanIBMTS3310librarywith6LTO-5drivesinstalled.Whatwouldthestoragespecialistrecommendtoaidtheseserversincompletingtheirbackups？（）

A.activate NDMP support on the DS5300 and backup the data across the SAN
B.implement Tivoli StorageFlashCopy Manager to backup the data across the LAN
C.implement Tivoli Storage Manager for Storage Area Networks and backup the data across the LAN
D.implement Tivoli Storage Manager for Storage Area Networks and backup the data across the SAN