Which two of the following are the major concerns of a desktop application manager who deploys a Cisco solution? (Choose two) Select exactly 2 answer(s) from the following:

A.
huge employee training efforts while rolling out new collaboration services from Cisco

B.
how to connect a Cisco Collaboration Architecture to existing databases

C.
security issues of the Cisco Collaboration applications

D.
missing Cisco knowledge of the desktop application managers

E.
integration with existing systems such as ERP or CRM