Optim objects are saved in the Optim Directory. Which two statements are true about saving Optim objects? (Choose two.)

A.
Optim objects like Column Maps, Table Maps and Access Definitions are saved with two-part names.

B.
Only Optim relationships are saved in the Optim Directory.

C.
If a Column Map is noted as local, with no name, it is used only once and then discarded.

D.
An Archive Request cannot be saved in the Optim Directory.

E.
There may be more than one Optim object with the same name as long as they are different types of objects.