IBM DS5000 systems supports RAID 6. RAID 6 support has two parity bits so that the system cansupport two drive failures. Which of the following items is the IBM designation for this feature onthe DS5000？（）

单项选择题Acustomerwouldlikethefollowingconfiguration：OneIBMDS5300dualcontrollerwith96FiberChanneldrivesinstalledin6IBMDS5000EXPenclosures，and1122TBSATAdrivesinstalledinanadditional7IBMDS5000EXPenclosures.Whatistheminimumnumberofhostkitsrequired？（）

A.1
B.2
C.4
D.13

单项选择题WhichofthefollowingisanexclusivefeatureoftheLTO-5drive？（）

A.NFS File System
B.Micro Partitioning
C.Encryption capable
D.IBM Long Term File System