2017下半年网络管理员英语真题

The Hypertext Transfer Protocol , the Web's ( )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-layer

B. application-layer

C. network-layer

D. link-layer

A . host

B . user

C. client

D.guest

A . exchanging

B . changing

C . declining

D.removing

A. sends

B. requests

C. receives

D.abandons

A . declines

B . deletes

C . edits

D.receives

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