What four read or write security assignments allow end users to be able to view at least some data? 

Answer options:

A. At least one member in the Scenario dimension
B. At least one member In the Version dimension
C. At least one member in the Period dimension
D. At least one member in the Account dimension
E. At least one member in the Entity- dimension
F. If security has been assigned for a Custom dimension, at least one member in the user-defined custom dimension

ABEF

Scenario,Version & Entity make up a planning unit so security needs to be applied here and then also to the custom dimension if it has security.