日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

多項選擇題

Which three statements describe the User Datagram Protocol (UDP)?()

A.UDP provides delivery notification and error checking mechanisms.
B.UDP is faster than the Transmission Control Protocol (TCP).
C.UDP application examples include DNS and VoIP.
D.UDP is an application layer protocol.
E.UDP uses a best effort delivery approach.

微信掃碼免費搜題