Which statement best describes the relationship between system roles and custom roles?
A . System roles cannot be edited and custom roles can be edited.
B . A custom role is created by editing a system role.
C . A custom role is created by copying a system role, renaming it and editing at least one of the privileges.
D . Any number of custom roles can be created within each system role.
Answer: A
Explanation:https://community.informatica.com/mpresources/docs/Userguide_2787.pdf(page 42)