A customer wants to consolidate authentication information for all existing products, such as IBM
WebSphere, IBM Tivoli Access Manager, and IBM Tivoli Identity Manager with a single product.
Which product can be an authentication information server for the customer?

A.
IBM DB/2

B.
IBM Tivoli Directory Server

C.
IBM Tivoli Data Warehouse

D.
IBM Tivoli Directory Integrator