The TCP protocol is a (72)layer protocol.A.physicalB.networkC.transportD.application

The TCP protocol is a (72)layer protocol.

A.physical

B.network

C.transport

D.application


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The Hypertext Transfer Protocol , the Web's (请作答此空) protocol , is at the heart of the Web. HTTP is implemented in two programs : a ( ) program and a server program . The client program and server program executing on different end systems , talk to each other by ( ) HTTP messages . HTTP defines how Web clients request Web pages from servers and how servers transfer web pages to clients . when a user ( ) a web page , the browser sends http request messages for the objects in the page to the server . The server ( ) the requests and responds with http response messages that contain the objects .A.transport-layerB.application-layerC.network-layerD.link-layer

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