Which of the following descriptions of the overall characteristics of the SAN active-active solution is wrong?

Which of the following descriptions of the overall characteristics of the SAN active-active solution is wrong?
A . Gateway-free active-active architecture, fewer points of failure, and higher system reliability
B . Combined with the HyperReplication feature, it can be smoothly upgraded to a two-site three-center solution
C . Meet the business requirements of RTO=0, RPO=0
D . When a single storage or production center fails, a small amount of data is lost

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Answer: D