A. NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.
B. NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.
C. NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.
D. NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.

A. It provides high-level integrated security from the wireless access point to the client and automatically encrypts voice and data in transit.
B. It allows you to centralize management, automate repetitive tasks, and provision IP services easily.
C. It centralizes your infrastructure and allows you to share resources more effectively by combining separate data centers into an interconnected SAN.
D. It authenticates users and devices so that it is impossible for a rogue device to be connected to the network.