Which two QoS statements are true about the use of the SDM QoS wizard？ （）
- 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）.