Using the exhibit as a reference, the customer needs to implement a DR/BC solution using a three
site copy strategy to meet corporate requirements with a recovery point objective of 5 seconds or less.
Which of the following solutions will meet the customer requirements?

A.
3-way TS7700 grid
B.
XIV with asynchronous mirrors
C.
DS8899 with Metro/Global Mirror
D.
SAN Volume Controller with Storwize V7000 back-end storage and Global Mirror
Explanation:
DS8899 don’t exist, I thing the correct answer is D, according to the global mirror white paper: http://www-07.ibm.com/storage/kr/disk/enterprise/downloads/Global_Mirror_whitepaper_v2.pdf
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