Test Your Understanding

  1. Why has Ethernet become the dominant LAN technology?

  2. What advantages does an Ethernet switch present by comparison to a hub?

  3. What technologies are competing for the campus network market? What are their advantages and disadvantages?

  4. What is an access network?

  5. What is the difference between a carrier and a service in the access network segment? Why choose one over the other?

  6. Why did ISDN fail in the U.S. market?

  7. Why does ATM use fixed-length cells rather than IP's variable-length packets?

  8. What problems do cable and telephone system providers face in moving to offer data service?

  9. What are the relative advantages and disadvantages of cable modems and DSL connections?

  10. Why are companies involved in long distance data transmission interested ...

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