All IBM TS7650 ProtecTIER Deduplication Appliances supports emulation of up to how manyvirtual libraries, virtual tape drives, and virtual tape cartridges?（）

• A、18 virtual libraries, 64 virtual tape drives, and 55,000 virtual tape cartridges 
• B、6 virtual libraries, 128 virtual tape drives, and 110,000 virtual tape cartridges 
• C、12 virtual libraries, 256 virtual tape drives, and 128,000 virtual tape cartridges 
• D、24 virtual libraries, 512 virtual tape drives, and 256,000 virtual tape cartridges