Which of the following statements about different service applications’ storage performance and capacity
requirements are correct?

A.
Compared with an email application, an enterprise OLTP/OLAP database requires higher storage
performance.

B.
Compared with picture and video applications, a large-sized relational database requires a larger storage
capacity.

C.
Compared with the content delivery network application, the backup and archive services require higher
storage performance.

D.
Compared with a real-time online service system, scientific computing requires higher storage performance.