A customer with three Windows servers wants to create a shared storage array. One server runs a200 GB Oracle database with high transaction rates. The second server is a file server with 3 TBof data and the third server is a mail server with 150 GB of storage. The key customer decisionmaker has only purchased EMC CX storage products in his previous employment. Cost is a keyconsideration. From the following which is a key feature that could convince the customer topurchase a DS3500 over an EMC CX storage system?（）

• A、 SATA and SAS 2.0 disk drive technology can be mixed in different enclosures 
• B、 nearline SAS 2.0 and SAS 2.0 disk drive technology can be mixed in the same enclosure
• C、 SATA disk drive technology can provide both the high transaction rates and large drive sizesneeded for this solution 
• D、 SAS 2.0 disk drive technology can provide both the high transaction rates and large drive sizesneeded for this solution