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:（）

单项选择题 A customer is currently using EMC disk. They are having an issue with the time it takes to complete a backup. What IBM tool can be used to show how much improvement can occur in the time it takes to backup the disk?（）