In a pre-sales meeting with a customer, the customer is not sure if the database application
causes many I/Os or a large amount of MB/s on the storage system.
What question is most important to ask?

A.
How may users will use the database concurrently?

B.
Is the application a farm of small individual webservers?

C.
What type of transactions are generated from the database?

D.
Is the application a video storage library for online video streaming?