Introduction to the Internet NG03c Review Questions 1. What is the organization that originally fostered research that led to the Internet? 2. What was the original purpose of the network that became Internet? 3. What group of people did the research that led to the Internet? 4. The Internet doubles in number of users approximately every how often? 5. Which kind of network pattern does the Internet use? 6. Messages on the Internet are divided into chunks called _______. 7. On the Internet, how is a route chosen for messages to be sent to their destination? 8. What is the name for the protocol used by the Internet? 9. Name three widely used types of service available on the Internet. 10. In addition to sending and receiving personal messages, what are two other services available through E-mail? 11. What are the two main ways of getting connected to the Internet? 12. What are the two most popular World Wide Web browsing programs? 13. What three organizations were given operational responsibility for the Internet when DARPA turned the project over to the National Science Foundation in 1987? 14. What orgnization now handles technical innovations proposed for the Internet? 15. How would you describe the Internet to someone who doesn't know about it? 16. What is TCP/IP? ANSWERS: 1. Department of Defense; more precisely, the Advanced Research Projects Administration, or ARPA. 2. To connect researchers (universities) to each other and to supercomputers. 2. University-based computer scientists. 4. Every 10 months 5. Distributed. 6. Packets. 7. By the best available, or least busy set of connections. 8. TCP/IP. 9. Any 3 of the following: E-mail (electronic mail), research, getting information, discussing topics of interest, World Wide Web (WWW), getting files (FTP), playing games, simulation... (there are others that could be included, too). 10. Sending to lists of recipients; subscribing to electronic publications; requesting and receiving information for research... 11. Using a modem to connect to an Internet service provider, and connecting to an Internet node directly through a local area network. 12. Netscape and Microsoft Internet Explorer. 13. IBM, MCI, and Merit/University of Michigan. 14. The Internet Society. 15. The Internet is a network of networks, all of which share the TCP/IP protocol. 16. TCP/IP is the transmission and addressing protocol used by the Internet.