Computer Networks Ch.2: Application Layer Quiz

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Questions and Answers

Which application program is used by almost all Internet users?

  • Remote logging
  • HTTP and the WWW (correct)
  • File transfer
  • Electronic mail

What protocol is used for achieving remote logging?

  • HTTP
  • SSH
  • DNS
  • TELNET (correct)

Which application is used to map the application layer identifier to the corresponding host IP address?

  • HTTP
  • Electronic mail
  • DNS (correct)
  • File transfer

Who initially proposed the idea of the World Wide Web?

<p>Tim Berners-Lee (C)</p> Signup and view all the answers

What paradigm does HTTP and the WWW follow?

<p>Client-server paradigm (C)</p> Signup and view all the answers

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Study Notes

Internet Application and Protocols

  • Web Browser: The most common application program used by nearly all Internet users for accessing and navigating the web.
  • Telnet Protocol: Utilized for achieving remote logging, allowing users to connect to another computer over a network.
  • Domain Name System (DNS): The application responsible for mapping application layer identifiers (like domain names) to their corresponding host IP addresses.

Origins of the World Wide Web

  • Tim Berners-Lee: The individual who initially proposed the concept of the World Wide Web in 1989, leading to the development of web technologies.

HTTP and World Wide Web Paradigm

  • Client-Server Model: The paradigm that both HTTP (Hypertext Transfer Protocol) and the World Wide Web follow, where a client requests resources from a server, which responds to those requests.

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