Cisco Collaboration Architecture differentiates from other solutions in terms of a unified workspace that creates a unique user experience. What is the main need of end users that needs to be addressed? Select exactly 1 answer(s) form the following:

A.
to have a centrally managed unified communication solution

B.
to build up the architecture on any platform

C.
to ensure that telepresence is a mandatory part of any Cisco Collaboration Architecture

D.
to allow collaboration any time, on any device, and with any content

E.
to establish appropriate security policies around collaboration applications