A large check processing company is quite impressed with the ingestion performance of a VTL. After calculating their nightly backup requirements it was determined that the restore performance of the VTL was significantly less than the backup performance.
Which of the following business requirements should the customer revisit to ensure a successful implementation?（）

单项选择题A customer is looking to build a virtual desktop infrastructure on an IBM platform. What metrics will be most useful in determining the storage platform recommendation?（）

A. number of users, type of applications to be used
B. performance per user, network bandwidth available
C. number of users, storage capacity per user, network bandwidth available
D. number of users, number of applications per user, network bandwidth available

单项选择题A bank has requested proposals for a storage solution to implement disaster recovery processes for their IBM System z configured with Linux, IBM System p configured with AIX, and Microsoft Windows environments. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror, Global Mirror, and FlashCopy. Floor space is limited. What hardware platform provides this native support?（）

A. IBM XIV Storage System
B. IBM System Storage DS5300
C. IBM System Storage DS8800
D. IBM System Storage DS5020 with SVC

单项选择题A customer has an IBM System Storage DS8100 at their primary site and a DS6800 at their recovery site, 9.5 kilometers away. They want to replicate data for disaster recovery backup with the least impact on performance. Which of the following products best accomplishes this task?（）

A. Global Copy
B. Metro Mirror
C. Global Mirror
D. Metro/Global Mirror

单项选择题Which storage system is this statement describing: A high-end, disk storage system with a virtualized grid architecture designed to eliminate the complexity of storage administration and make managing storage easy.（）

A.XIV system
B.SONAS
C.DS8800
D.N series

单项选择题Which IBM tape interface architecture has the best performance and distance characteristics? （）

A.SAS
B.SCSI
C.ESCON
D.Fibre Channel