Understanding Hypertext Transfer Protocol (HTTP)
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Questions and Answers

What is the purpose of an HTTP request message?

  • To establish a TCP connection between the client and server
  • To send data from the client to the server (correct)
  • To connect the client to an intermediary server
  • To determine the status of the origin server

    • Which component of an HTTP transaction waits for the client to send a request message?

  • Origin server (correct)
  • Gateways
  • Tunnels
  • Proxies

    • What is the default port an HTTP server listens on for incoming requests?

  • Port 80 (correct)
  • Port 21
  • Port 8080
  • Port 443

    • Which protocol does not need to be used by HTTP according to the text?

    <p>TCP/IP</p> Signup and view all the answers

    What does an HTTP client do to initiate a request?

    <p>Send a request message via TCP connection</p> Signup and view all the answers

    What is the purpose of a URL in network programming?

    <p>To uniquely locate a resource on the Internet</p> Signup and view all the answers

    What is the most common HTTP method used on the Web today?

    <p>GET</p> Signup and view all the answers

    Which HTTP method should not be used for operations that cause side-effects?

    <p>POST</p> Signup and view all the answers

    What does the HEAD method request from the server?

    <p>Response identical to GET without response body</p> Signup and view all the answers

    Which HTTP method echoes back the received request?

    <p>TRACE</p> Signup and view all the answers

    What does the OPTIONS method return from the server?

    <p>List of supported HTTP methods</p> Signup and view all the answers

    How is GET data typically sent in HTTP requests?

    <p>In URL encoded query strings</p> Signup and view all the answers

    What is the purpose of the request line in an HTTP request message?

    <p>To indicate the type of operation to be performed</p> Signup and view all the answers

    In the context of HTTP, what does URI stand for?

    <p>Uniform Resource Identifier</p> Signup and view all the answers

    Which part of an HTTP request message must end with CRLF (Carriage Return Line Feed)?

    <p>Request line and headers</p> Signup and view all the answers

    What is the purpose of the Host header in an HTTP request message?

    <p>To identify the server being contacted</p> Signup and view all the answers

    During a typical HTTP connection, what does the client do after sending a GET request?

    <p>Sends a blank line</p> Signup and view all the answers

    What is the purpose of the empty line in an HTTP request message?

    <p>To indicate the end of the request message</p> Signup and view all the answers

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