What are two components of the QoS Integrated Services （IntServ） model？（）
- A、 link efficiency
- B、 admission control
- C、 classification and marking
- D、 shaping and policing
- E、 congestion avoidance using the RTP protocol
- F、 resource reservation using the RSVP protocol
正确答案:B,F
答案解析:有
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