All of the following are data optimization (space efficiency) technologies from IBM EXCEPT（）.

单项选择题IBMLTO-5canbedifferentiatedfromHPLTO-5thruallofthefollowingfeaturesEXCEPT.（）

A.Giant Magneto Resistive heads 
B.speed matching 
C.flat lap head design 
D.grooved roller bearings 

单项选择题WhichoneofthefollowingBESTdescribesLongTermFileSystem(LTFS)?（）

A.eliminates dependence of middleware layer 
B.provides the ability to partition the library 
C.makes tape look and work like any removable media 
D.provides up to 48% lower power consumption in idle mode

单项选择题SUN OracleStorageTEKclaimsthehighestreliabilityandfastestmounttimesintheindustry.Whichfeature(s)oftheTS3500shouldbeconfiguredinresponsetotheSUN OracleStorageTEKproposal?（）

A.TS3500 with a dual gripper 
B.TS3500 with the High Availability option 
C.TS3500 with Advanced Library Management System 
D.TS3500 with both LTO generation 4 Ultrium drives and 3592 high performance drivesintermixed 

单项选择题IBMLongTermFileSystem(LTFS)benefitsincludewhichoneofthefollowing?（）

A.management of the encryption keys 
B.partitioning of the library drives 
C.helps to control the write speed matching 
D.helps reduce tape, file management and archive costs

单项选择题WhichofthefollowingdescribesanaspectoftheSVCforXIVoffering?（）

A.SVC software that comes integrated in an XIV system 
B.SVC option that includes all functions of SVC at a 'per TB' charge 
C.SVC option that introduces a 'per enclosure' charge metric for all functions of SVC 
D.separate license available for XIV/SVC customers who need FlashCopy and Metro Mirror/Global Mirror functions