多项选择题
	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).