Which change will reduce the load on the database?

A successful web application is used by over two hundred thousand users. Due to this substantial
load, the database is overburdened and fails frequently. All data, including critical user records
and temporary session data, are stored in the database. Because of resource constraints, a new

database system cannot be installed. Which change will reduce the load on the database?

A.
Create more entity beans to optimize the interaction with the database

B.
Refactor the web application to use DAOs to communicate with the database

C.
Refactor the web application to store temporary session data on the web servers

D.
Add more web servers to the web tier to distribute the load and reduce the number of
transactions on the database