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Networking 1210 Unit 5 Review and Terms

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Chapter 5 Review Questions

1. C 10. D 2. D 11. A 3. B 12. C.D 4. A 13. B,C 5. B 14. B,C 6. A 15. A 7. A 16. A,B 8. A,C 17. D 19. A 9. A,C 18. C 20. B

Defining the Key Terms

* Ethernet LANs The dominating technology setting the physical and data standards for wired LANs. * 802.3
It defines the standards specific to Ethernet LANs. It represents the IEEE 802 LAN standards working group number. * Fast Ethernet
The informal name for the IEEE standard 802.3u which has a speed of 100 Mbps. * Gigabit Ethernet
The informal name for IEEE standard 802.3z, speed 1000 Mbps. * Autonegotiation
A feature created by the IEEE to encourage companies to invest in new Ethernet technologies. Autonegotiation allows the nodes of a link, to automatically decide, the best speed or fastest speed both nodes in a link can support. * Ethernet frame
Includes the Ethernet data link layer helper and trailer, the data, and other high-layer headers that need to be sent through the LAN. * MAC address
Is a 48-bit number used to Identify every electronic device made. It is expressed as a 12 digit hex number and is a unique numbering system implemented by IEEE. * MAC address table
Used by the LAN switch to compare the destination MAC address, in frame, to its internal list of cataloged MAC addresses. The MAC address table notes the port it needs to use to forward the frame to its destination address.

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