单项选择题
A. for a SAN768B Director
B. for a second TS3500 Tape Library
C. for a second EXP5060 Expansion Unit
D. for an additional DS8300 Expansion Frame
单项选择题 All of the following RAID levels are available on an IBM System Storage DS8700 and DS8800 with the exception of:（）
单项选择题 Which of the following is a benefit of the IBM Long Term File System (LTFS)? （）
单项选择题 On both the IBM SAN764B and the IBM SAN384B Fiber Channel Directors, all of the followingSmall Form Pluggable plus (SFP+) optical transceivers are supported EXCEPT:（）