2. Thought Questions:

1. What is the difference between cross-over cable and patch cable?

3. Brief answers (a few lines):

Based on Chapter 5

Please copy and paste the questions in the answer sheet and make them bold, then write the answers below each question.

2. c) What is the advantage of optical fiber over UTP?

8. What is the advantage of parallel transmission compared to serial transmission?

9. e) What is terminal crosstalk interference?

9 f) What installation discipline can make terminal crosstalk interference a nonissue?

10. d) What is modal dispersion?

10. e) Why is it bad?

10. h) What is the advantage of single-mode fiber over multimode fiber?

13.a) What is link aggregation

13. d) Why may link aggregation be more desirable than installing a single faster link?

15.a) What were Ethernet addresses originally called?

15. h) What is the purpose of the LLC sub header?

15. k) What happens if the receiver detects an error in a frame?

16.a) Do switches know the entire data link between the source and destination host?

17.a) How are switches in an Ethernet LAN organized?

18.a) What is the benefit of having a single possible path? Explain in detail.

18.b) Why has Ethernet become the dominant LAN technology?

18.c) Why are routers expensive for the traffic volume they handle?

19. b) Why is having a single possible path between any two hosts in an Ethernet network dangerous?

21. b) Manageable switches cost more than dumb switches. Why is using them worthwhile anyway?