A customer has purchased a new IBM Storwize V7000 storage array and is considering an IPbased DR replication solution that is cost-optimized and provides a near instant recovery option fortheir Microsoft Exchange application and server. The backup site is 30 kilometers away. Whatwould be the best choice for replication？（）

• A、Storwize V7000 Metro Mirror
• B、Tivoli Storage ManagerFastBack
• C、Storwize V7000 Reverse FlashCopy
• D、Tivoli Storage Productivity Center for Replication