Which two statements are true?

You are designing an n-tier Java EE application. You have already decided that some of your
JSPs will need to get data from a Customer entity bean. You are trying to decide whether to use a
Customer stub object or a Transfer Object. Which two statements are true? (Choose two.)

A.
The stub will increase network traffic.

B.
The Transfer Object will decrease data staleness.

C.
The stub will increase the logic necessary in the JSPs.

D.
In both cases, the JSPs can use EL expressions to get data.

E.
Only the Transfer Object will need to use a Business Delegate.

F.
Using the stub approach allows you to design the application without using a Service Locator.

Explanation: