As a part of Cisco Technical Services and Support, which three of the following are included in
Cisco Assurance Services for IP NGN networks? (Choose three.)

A.
effective event selection, correlation, and description

B.
training resources allocation to teach and prepare the service provider staff

C.
patented delivery model of the determined services

D.
advanced insurance model for the Cisco IP NGN equipment

E.
advanced SLA with regard to the agreed services and support levels