专业技术中级资格电子商务设计师基础知识2007年下半年电子商务设计师上午试卷
题目内容

● TCP/IP (71) layer protocols provide services to the application (72)running on a computer. The application layer does not define the application itself,but rather it defines (73) that applications need—like the ability to transfer afile in the case of HTTP. In short, the application layer provides an (74) betweensoftware running on a computer and the network itself. The TCP/IP application layerincludes a relatively large number of protocols, with HTTP being only one of those.The TCP/IP (75) layer consists of two main protocol options—the Transmission ControlProtocol (TCP) and the User Datagram Protocol (UDP).

2024-07-09

A.application

B.transport

C.link

D.network

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