What ensures that voice packets are given priority throughout the network so that conversations arrive intact?()
- A、Centrex
- B、Packet encryption
- C、Intelligent call routing
- D、QoS
正确答案:D
答案解析:有
微信扫一扫手机做题
What ensures that voice packets are given priority throughout the network so that conversations arrive intact?()
微信扫一扫手机做题