Which three IBM Tivoli Netcool/lmpact roles in Tivoli Integrated Portal can be used to control users
access to navigation pages in the GUI and to permit users to unlock their own files?

A.
impactSuperUser. impactFullAccessUser, and impactOpViewUser

B.
impactAdminUser, impactReadWriteUser, and impactOpViewUser

C.
impactAdminUser, impactFullAccessUser, and impactOpViewUser

D.
impactAdminUser, impactFullAccessUser, and impactReadOnlyUser

Explanation: