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Questionnaire Set #3

41. Describe the differences between gateway and modem.
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42. Describe the differences between infrared and microwave.
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43. Compare between optical fibre and twisted pair.
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44. Compare between internet layer and transport layer.
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45. Compare between passive attacks and active attacks.
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46. With regards to network hardware, explain the difference between bridge and brouter.
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47. With regards to multiplexing, explain the difference between circuit mode and statistical multiplexing.
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48. With regards to public key cryptography, explain the difference between digital signature and public key encryption.
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49. Differentiate between DNS and DHCP.
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50. Differentiate between FTP and HTTP.
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51. Differentiate between media access control and medium access control.
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52. What is the difference between netbios and b-a-cnet?
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53. What is the difference between bandwidth and throughput?
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54. What is the difference between cmac and hmac?.
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55. How does packet differ from routing?
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56. How does flow control differ from error control?
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57. How does distance vector routing differ from edge router?.
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58. Describe the differences between Ethernet hub and multiport hub.
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59. Describe the differences between active gateway and bidirectional gateway.
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60. Describe the differences between cat-3 and cat-5.
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