To ensure quality, what is the maximum end-to-end transit time in milliseconds on a voice network?()
- A、50
- B、100
- C、150
- D、200
- E、250
正确答案:C
答案解析:有
微信扫一扫手机做题
To ensure quality, what is the maximum end-to-end transit time in milliseconds on a voice network?()
微信扫一扫手机做题