it is cost efficient， as a single N series or DS8000 can have its controllers split between the primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third site
the second site acts as a repeater station so that greater geographical distances can be achieved
ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systems
it guarantees data protection by implementing two synchronous copies of the primary site data
第1题：
18 Interfacing with the customer after project go-ahead is the responsibility of:
A. Project sponsor
B. Project team
C. Project manager
D. Functional manager
E. All of the above are possible, based upon the size and complexity of the project
第2题：
● The appointment or selection of a project sponsor is often based upon:
A The strategic importance of the project
B Who the customer is
C Whether the organization is project or non-project-driven
D The profitability of the project
E All of the above
第3题：
The appointment or selection of a project sponsor is often based upon:
AThe strategic importance of the project
BWho the customer is
CWhether the organization is project or non-project-driven
DThe profitability of the project
EAll of the above
第4题：
Which service component within the prepare phase recommends the appropriate technology strategy to address a business requirement of the customer？（）
第5题：
A customer has a very large number of physical Windows-based servers and no centralized storage. Which technology solution will help the customer to reduce the footprint of their existing server estate?（）
A. z/OS, DS8000, TSM
B. TSM, LTO-5, VMware
C. System x, VMware, XIV
D. System p, VMware, DS5000
第6题：
32 The appointment or selection of a project sponsor is often based upon:
A. The strategic importance of the project
B. Who the customer is
C. Whether the organization is project or non-project-driven
D. The profitability of the project
E. All of the above
第7题：
A. It profiles based on bandwidth.
B. It profiles based on loss priority.
C. It prevents traffic loss through buffering.
D. It prevents global synchronization with tail drops.
第8题：
Interfacing with the customer after project go-ahead is the responsibility of:
AProject sponsor
BProject team
CProject manager
DFunctional manager
EAll of the above are possible, based upon the size and complexity of the project
第9题：
Which two models are the models of DiffServ-Award traffic Engineering？（）
第10题：
A customer has multiple applications on multiple open platforms in their current environment based on IBM System Storage DS8100. They plan to set up a business continuity solution that meets the objective of zero or little data loss for their business critical data. The customer has indicated that cost is a factor. What should the storage specialist recommend（）