Coursera | Using Python to Access Web Data

Networks and Sockets >> Using Python to Access Web Data

Networks and Sockets >> Using Python to Access Web Data

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?

  • Internet Protocol (IP)
  • IMAP
  • The Request/Response Cycle
  • SMTP

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

  • The GPS coordinates of a building
  • The distance between two locations
  • A telephone number
  • A telephone extension
  • A street number in an address

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

  • _socket = true
  • import tcp
  • open socket
  • import socket
  • import tcp-socket

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

  • server
  • client
  • it does not matter

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

  • An “in-progress” phone conversation
  • Fiber optic cables
  • The wheels on an automobile
  • The chain on a bicycle
  • The ringer on a telephone

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

  • Simple
  • wHolsitic
  • Hyperspeed
  • HyperText
  • Manual

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

  • How long do we wait before packets are retransmitted?
  • How much memory does the server need to serve requests?
  • What is the IP address for a domain like
  • Which application talks first? The client or server?

8. What are the three parts of this URL (Uniform Resource Locator)?

x = 'From: Using the : character'
y = re.findall('^F.+:', x)
  • Protocol, host, and document
  • Page, offset, and count
  • Document, page, and protocol
  • Host, offset, and page
  • Protocol, document, and offset

9. When you click on an anchor tag in a web page like below, what HTTP request is sent to the server?

  • GET
  • POST
  • PUT
  • INFO

10. Which organization publishes Internet Protocol Standards?

From [email protected] Sat Jan  5 09:14:16 2008
  • IMS
  • SIFA
  • LDAP
  • IETF

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