试题详情
单项选择题Which two statements are true about the protocols that are used for transmitting voice traffic？（）

A、RTP multiplexing is used to keep multiple phone conversations separate

B、RTP provides end-to-end delivery services for voice traffic

C、UDP is used to ensure a reliable transmission from sender to receiver

D、RTP is used to provide resource reservation for the voice stream

E、UDP provides multiplexing

  • E

  • 关注下方微信公众号，在线模考后查看

热门试题