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?（）

A. TCOnow!
B. Disk Magic
C. Batch Magic
D. Capacity Magic

单项选择题The IBM XIV Storage System supports all of the following fiber channel speeds EXCEPT:（）.

A. 1Gbps
B. 2Gbps
C. 4Gbps
D. 8Gbps