A company plans to deploy a disaster recovery system, requiring that when a data center-level failure occurs, the business will not be interrupted and the business data will not be lost. It plans to use a two-site three-center interconnection frame. Which of the following solutions can meet the requirements?

A company plans to deploy a disaster recovery system, requiring that when a data center-level failure occurs, the business will not be interrupted and the business data will not be lost. It plans to use a two-site three-center interconnection frame. Which of the following solutions can meet the requirements?
A . Local high availability architecture based on active/standby mode
B . Two-site three-center architecture based on dual-center active-standby mode
C . Two-site three-center architecture based on dual-center mutual backup mode
D . Two-site three-center architecture based on dual-center dual-active mode

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Answer: D