TEL102: Telecommunications 2

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Assignment 5

1. At what layer of the OSI Model do NICs reside?
2. What factors should be considered when choosing a network adapter for a computer?
3. Name two ways a network adapter can be connected to a laptop.
4. Identify the advantage of using an onboard NIC.
5. Software that enables communication between a NIC and the operating system is called a _______________.
6. At what layer of the OSI Model do Hubs reside?
7. The port that allows one hub to connect to another hub is called an ______________________.
8. What type of hub may permit remote management, filter data or provide diagnostic information?
9. At what layer of the OSI Model do bridges reside?
10. Switches interpret _______________ addresses.
11. Describe how switches provide better performance over routers.
12. How can Cut Through switches increase errors on a network?
13. Which switching method is more appropriate for larger networks?
14. At what layer of the OSI model are routers found?
15. Internet backbone routers are known as ______________________.
16. What methods are used by routers to direct network traffic?
17. Which routing method is more efficient or accurate?
18. What are routing protocols used for?
19. Which routing protocol is used on the Internet backbone?
20. What kind of gateway blocks or filters traffic between networks?

Know the following terms:

• Border Router
• Broadcast Domain
• Collision domain
• Convergence time
• Exterior Router
• Gateway
• Interior Router
• Loopback Plug
• Modular Router
• VLAN