A current IBM System Storage DS8000 open systems customer needs a temporary copy of data that will be needed for only 12 hours. 
Which DS8000 function best satisfies this requirement（）

单项选择题A customer requires an infrastructure to support disaster recovery of critical applications between two remote data centers. One data center is in Tokyo and one is in Beijing. The customer’s Recovery Point Objective （RPO） requires a six-hour window for a bandwidth of 100 MB s and a new storage system for a total of 4 TB of data. They estimate 100 MB of new data produced hourly. What data synchronization method would be recommended to meet the requirements（）

A.Metro Mirror
B.FlashCopy
C.Global Mirror
D.Snapshot

单项选择题A customer has no available floor space for expansion and room for only one disk enclosure pair in their DS8700. Four disk enclosure pairs are required to meet the current I O needs of a data warehousing application. They are only utilizing 10% of their total capacity. Another application workload needs to be added to the system but requires two disk enclosure pairs. The customer is considering SSD and Easy Tier.  Which of the following is the primary function of Easy Tier（）

A.reduce power consumption per unit of storage
B.balance the total workload with other DAs
C.automatically moves hot spots to the appropriate resource
D.SANtiering permits more flexibility by adding additional data paths

单项选择题A customer has an IBM System Storage DS8100 with 128 DDMs and needs to add additional capacity.  What must be verified by the Business Partner during the visit to the computer room（）

A.the space for the upgrade to a DS8700
B.the space on the left of the DS8000 for an expansion frame
C.the space on the right of the DS8000 for an expansion frame
D.the space to install additional DDMs in the base frame

单项选择题A customer asks for the thermal load （BTU hr） to determine whether their existing cooling system will support the IBM System Storage DS8000.  Where can the sales representative find this information（）

A.IBM System Storage DS8000： Introduction and Planning Guide
B.IBM DS8000 Interoperability Matrix on the support page on the web
C.IBM System Storage DS8000： User’s Guide
D.IBM System Storage DS8000： Solution Assurance Guide

单项选择题A UNIX customer has a Symmetrix DMX that has crashed three times in the past six months， causing data loss. The customer is shopping for an enterprise storage solution to provide point-in- time copy functionality without a fixed relationship to its primaries.  Which IBM solution best meets this customer’s requirements（）

A.IBM System Storage DS8700 andVolumeCopy
B.IBM System Storage DS8700 andFlashCopy
C.IBM System Storage DS8700 andFlashCopy with the NoCopy option
D.IBM System Storage DS8700 andFlashCopy with the Persistent option