_A__The network sends and receives data frames simultaneously.
14. _B__At the end-user level, gives high-performance PC workstations 100-Mbps access
to a server
_C__Not typically used at the end-user level
_A__At the workgroup level, provides connectivity between the end user and
workgroups
_B__At the backbone level, provides interswitch connectivity for low- to mediumvolume
applications
_B__At the workgroup level, provides high-performance connectivity to the enterprise
server
470 Appendix: Answers to Chapter Review Questions
_C__At the backbone level, provides backbone and interswitch connectivity
_A__At the end-user level, provides connectivity between the end user and the userlevel
switch
_C__Provides interswitch connectivity for low- to medium-volume applications
15. C
16. B
17. B
18. D
19. D
20. B
21. A
22. A
23. _A__Step 1
_B__Step 2
_C__Step 3
24. D
25. A
26. A
27. B
28. D
29. C
30. C
31. C
32. B
33. B, C
34. A, B, C, E
35. B
Chapter 3 471
36. C
37. B
38. A
39. B
40. A
41. A
42. C
43. C
44. B, C, D
Chapter 3
Review Questions
1. A
2. A
3. _B__Occurs when RF waves bounce off metal or glass surfaces
_A__Occurs when RF waves are soaked up by walls
_C__Occurs when RF waves strike an uneven surface and are re?¬‚ected in many
directions
4.
Pages:
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631