单选题A bank has requested proposals for a storage solution to upgrade their disaster recovery processes for their IBM System z， UNIX， and Microsoft Windows environment. The solution must simulate a multi-site environment and provide the customer the ability
题目
单选题
A bank has requested proposals for a storage solution to upgrade their disaster recovery processes for their IBM System z， UNIX， and Microsoft Windows environment. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror， Global Mirror， Global Mirror for z/OS， and FlashCopy. 120 TB physical capacity is required per site. Only Fibre Channel drives can be used. Which solution best meets the specified requirements（）
A
two DS8700 systems with two-way processor cards and 600 GB FC drives
B
two DS8700 systems with four-way processor cards and LPAR
C
two DS8700 systems with two-way processor cards and two frames per system
D
two DS8700 systems with four-way processor cards and two frames per system
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