Study Guide

Computer Systems Technology

Study Guide

  1. What is Ethernet? What are some advantages of Ethernet? What layers does it operate at?



  2. How does Carrier Sense Multiple Access with Collision Detection work?



  3. What happens when a Collision occurs on an Ethernet LAN?



  4. How does Cisco define Half-Duplex? Full-Duplex? What are the benefits of Full-Duplex?



  5. In what 3 situations can you use Full-Duplex?



  6. What are the 4 types of Ethernet Frames?



  7. How many Bytes is a MAC/Hardware address? What does each part signify?



  8. What are the 3 types of Media Access methods?



  9. List and define each of the fields in an 802.3/Ethernet frame.



  10. Why was the 802.2 LLC Specification defined and what does it do?



  11. What is the purpose of a SNAP frame? How can you identify a SNAP frame?



  12. What group first implemented Ethernet? Say the Acronym out loud 10 times.



  13. What are the 3 subsets of 802.3? What do they each govern?



  14. What type jack type and cabling type does the EIA/TIA specify for Ethernet?



  15. What is attenuation? What is crosstalk?



  16. What is NEXT, FEXT, and PSNEXT? When is PSNEXT typically used?



  17. List, with a short description of each, the all of the original 802.3 standards