In which two ways can Cisco Collaboration Architecture help improve customer satisfaction as one of the key business drivers of an organization? (Choose two.)

A.
Cisco advanced applications for mobile network providers improve mobile communications capabilities.

B.
Cisco Unified Contact Center Express helps create a completely new service experience for customers.

C.
Cisco secure networking can improve customer intimacy at a distance.

D.
Cisco WebEx and Cisco TelePresence help create new dimensions of collaboration processes with customers.

E.
Cisco support of Twitter tweets and Facebook groups helps improve effective business collaboration with customers.