A. Business-critical traffic includes VoIP and voice signaling packets.
B. SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.
C. SDM can provide QoS for real-time traffic and business-critical traffic.
D. SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.
E. SDM creates a low latency queuing （LLQ） service policy with its associated classes.
F. When allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.

A.call agent
B.IP phone
C.multipoint control unit
D.gatekeeper