A company uses Excel workbooks to access IBM Cognos TM1 data over a wide area network.
The company needs to improve the performance of their Excel workbooks which contain multiple
slices from multiple TM1 cubes.
Which two changes will improve performance? (Choose two.)

A.
Convert all DBR() functions to DBRW() functions.

B.
Make all DBRW() functions reference a single VIEW function.

C.
Convert all DBRA() functions to DBRW() functions.

D.
Convert all DBRW() functions to DBR() functions.

Explanation: