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Home Forums Assignment courserra Python for Everybody – Specialization Using Python to access Web data Week 3 Networks and Sockets, Using Python to access Web data

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      Abhishek TyagiAbhishek Tyagi
      Keymaster

      1. What do we call it when a browser uses the HTTP protocol to load a file or page from a server and display it in the browser?

        Answer-
        The Request/Response Cycle

      2. Which of the following is most similar to a TCP port number?

        Answer-
        A telephone extension

      3. What must you do in Python before opening a socket?

        Answer-
        import socket

      4. Which of the following TCP sockets is most commonly used for the web protocol (HTTP)?

        Answer-
        80

      5. Which of the following is most like an open socket in an application?

        Answer-
        An “in-progress” phone conversation

      6. What does the “H” of HTTP stand for?

        Answer-
        HyperText

      7. What is an important aspect of an Application Layer protocol like HTTP?

        Answer-
        Which application talks first? The client or server?

      8. What are the three parts of this URL (Uniform Resource Locator)?
      http://www.dr-chuck.com/page1.htm

        Answer-
        Protocol, host, and document

      9.When you click on an anchor tag in a web page like below, what HTTP request is sent to the server?
      <p>Please click <a href="page1.htm">here</a>.</p>

        Answer-
        GET

      10. Which organization publishes Internet Protocol Standards?

        Answer-
        IETF

      11. In a client-server application on the web using sockets, which must come up first?

        Answer-
        server

      12. What do we call it when a browser uses the HTTP protocol to load a file or page from a server and display it in the browser?

        Answer-
        The Request/Response Cycle
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