ISC Exam Questions

Which service is not one of them?

Central authenticating systems should perform three primary services. Which service is not one of them?

A.
Accountability

B.
Authentication

C.
Authorization

D.
Confidentiality

Explanation:
The basic services performed by a central authenticating system are:
authentication (who the user is), authorization (what the user can do), and
accountability (what the user has done).