Below are the answers key for the Multiple Choice Questions in Digital and Data Communication Networks – MCQs Part 1.
1. Digital-to-analog
2. Digital-to-digital
3. Analog-to-digital
4. Analog-to –analog
5. Amplitude
6. ASK
7. 1200 samples/sec
8. 800
9. 13.74 kbps
10. 1200
11. AMI
12. 6
13. B8ZS
14. 3
15. 4 bits/cycle
16. Parallel
17. 2
18. 1
19. Control
20. DB-15
21. A null modem
22. To reduce the error rate
23. Less than
24. V.33
25. Analog
26. 4.77 dB
27. 0.005 V
28. 2 bits/cycle
29. Digital, analog
30. All of the above
31. 48 Mbps, 24 dB
32. Bell 103
33. EIA-RS-232
34. 4000
35. 1.075 MHz
36. 100
37. 25 bits
38. Data terminal equipment
39. 9600 wpm
40. 12.8 kbps
41. 10 MHz
42. Between 3 and 15
43. 5 MHz
44. 768 kbps
45. NRZ-L
46. 5 kHz
47. 8.8 dB
48. 25
49. All of the above
50. 15 kHz
Online Questions and Answers Series
Following is the list of practice exam test questions in this brand new series:
