单项选择题
A. is stateless with global referencing of metadata
B. is based on cluster architecture with externally provided quorum disks
C. is based on cluster architecture, with quorum held internally on the first cluster node
D. is based on grid architecture, with each node holding a full mirror configuration for all other nodes
单项选择题 The IBM System Storage TS7650 ProtecTIER Deduplication Appliance supports emulation of up to how many of the following?（）
单项选择题 Which product allows a storage administrator to set storage utilization alerts for the DS8000, DS5000, SAN Volume Controller, and EMC DMX?（）
单项选择题 In an XIV Storage System, what is the minimum number of modules required to support iSCSI connectivity?（）