You administer a SQL Server 2008 instance. The instance runs on a computer that has the following features: A 64-GB RAM  Four quad-core processors  Several independent physical raid volumes  You plan to implement a transactional database on the instance. The database is expected to have a high volume of INSERT, UPDATE, and DELETE activities. The activities include creation of new tables. You need to optimize the performance of the database by maximizing disk bandwidth and reducing the contention in the storage allocation structures. What should you do?（）

• A、Create multiple data files for the database.
• B、Place database and log files on the same volume.
• C、Configure the affinity mask option appropriately.
• D、Configure the affinity I/O mask option appropriately.