根据下面的文字资料回答 71~75 题 In the following essay,each blank has four choices.Choose

11 查阅

根据下面的文字资料回答 71~75 题 In the following essay,each blank has four choices.Choose the most suitable one from the four choices and write down in the answer sheet.A( 1 )is basically an end point of a communication link between two applications.Sockets that extend over a network connect two or more applications running on separate computer sat tached to the network.Asocket( 2 )twoaddresses:( 3 ).Sockets providea ( 4 )communication channel between one or more systems.There are stream and datagram sockets separately using TCP and( 5 ).

第6题:文中( 1 )处正确的答案是( )。

A.program

B.UDP

C.socket

D.TCP

参考答案:

CSocket是两个应用之间的联系接口。Socket使网络中不同的计算机之间的应用能够联系在一起。一个Socket有两个地址:端口号和IP地址。Socket提供了在多个系统中全双工通信的方式。TCP在Socket传递的是字符流,而UDP传递的是数据报。

软考中级