TEL102: Telecommunications 2

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Assignment 7

1. At what layer of the OSI Model do NICs reside?
2. What is the advantage of using an onboard/embedded NIC?
3. Software that enables communication between a NIC and the operating system is called:
4. At what layer of the OSI Model do Hubs reside?
5. What type of hub may permit remote management, filter data or provide diagnostic information?
6. Identify two advantages of switches over routers.
7. How can cut-through switches increase errors on a network?
8. Which switching method is more appropriate for larger networks?
9. At what layer of the OSI model are routers found?
10. Internet backbone routers are known as:
11. What methods are used by routers to direct network traffic?
12. Which routing method is more efficient or accurate?
13. What are routing protocols used for?
14. Which routing protocol is used on the Internet backbone?
15. What kind of gateway blocks or filters traffic between networks?

Know the Following Terms

• Access Method
• CSMA/CA
• CSMA/CD
• Circuit/Message/Packet Switching
• FDDI
• Jamming
• LANE
• Padding