WGU D413 Telecommunication and Wireless
1. What Type of multiplexing is OFDM?Orthogo- Digital
nal frequency-division multiplexing
2. What Type of multiplexing is TDM? Time-divi- Digital
sion multiplexing (TDM)
3. What Type of multiplexing is DWDM? Dense Optical
wavelength-division multiplexing (DWDM)
4. What Type of multiplexing is FDM?Frequen- Analog/Digital
cy-division multiplexing
5. What Type of multiplexing is ATDM?Asynchro- Digital
nous Time Division Multiplexing
6. What Type of multiplexing is STDM?Synchro- Digital
nous Time Division Multiplexing
7. What Type of multiplexing is CDM?code-divi- Digital
sion multiplexing (CDM)
8. What is the Basic principle of OFDM?Orthogo- Orthogonal Subchannels
nal frequency-division multiplexing
9. What is the Basic principle of TDM? Time Slots
10. What is the Basic principle of WDM? Different Wavelengths
11. What is the Basic principle of DWDM? Dense set of wavelengths
12. What is the Basic principle of FDM? Frequency bands
13. What is the Basic principle of STDM? Fixed and Synchronized time inver-
vals
, WGU D413 Telecommunication and Wireless
14. What is the Basic principle of ATDM? Variable time intervals
15. What is the Basic principle of CDM? Unique Codes for each channel
16. cyclic redundancy check (CRC) Based on the same principle for
error detection as a parity check
but uses mathematical algorithms to
deter-mine if any bits are corrupt.
17. Resistance Opposition to direct current
Ω (ohm)
Current flow affected by cable
length. Resistance is present in bat-
tery-powered circuits.
18. Impedance Opposition to alternating current
(AC)
Z
Current flow is affected by frequen-
cy, cable length, induction, and ca-
pacitance. Impedance is present in
AC-powered circuits.
19. Category 1 UTP or STP UDP
20. Category 2 UTP or STP UTP
21. Category 3 UTP or STP UTP or STP
22. Category 4 UTP or STP UTP or STP
23. Category 5 UTP or STP UTP or STP
24. Category 5e UTP or STP UTP or STP
, WGU D413 Telecommunication and Wireless
25. Category 6 UTP or STP UTP or STP
26. Category 6a UTP or STP UTP or STP
27. Category 7 UTP or STP UTP or STP
28. Category 8 UTP or STP STP
29. Category 1 Maximum Frequency Rating? None
30. Category 2 Maximum Frequency Rating? 1 MHz
31. Category 3 Maximum Frequency Rating? 16 MHz
32. Category 4 Maximum Frequency Rating? 20 MHz
33. Category 5 Maximum Frequency Rating? 100 MHz
34. Category 5e Maximum Frequency Rating? 100 MHz
35. Category 6 Maximum Frequency Rating? 250 MHz
36. Category 6a Maximum Frequency Rating? 500 MHz
37. Category 7 Maximum Frequency Rating? 600 MHz
38. Category 8 Maximum Frequency Rating? 1800-2000 MHz
39. Category 1 Data Rate Less than 1 Mbps
40. Category 2 Data Rate 4 Mbps
41. Category 3 Data Rate 10 Mbps
16 Mbps
42. Category 4 Data Rate 16 Mbps
1. What Type of multiplexing is OFDM?Orthogo- Digital
nal frequency-division multiplexing
2. What Type of multiplexing is TDM? Time-divi- Digital
sion multiplexing (TDM)
3. What Type of multiplexing is DWDM? Dense Optical
wavelength-division multiplexing (DWDM)
4. What Type of multiplexing is FDM?Frequen- Analog/Digital
cy-division multiplexing
5. What Type of multiplexing is ATDM?Asynchro- Digital
nous Time Division Multiplexing
6. What Type of multiplexing is STDM?Synchro- Digital
nous Time Division Multiplexing
7. What Type of multiplexing is CDM?code-divi- Digital
sion multiplexing (CDM)
8. What is the Basic principle of OFDM?Orthogo- Orthogonal Subchannels
nal frequency-division multiplexing
9. What is the Basic principle of TDM? Time Slots
10. What is the Basic principle of WDM? Different Wavelengths
11. What is the Basic principle of DWDM? Dense set of wavelengths
12. What is the Basic principle of FDM? Frequency bands
13. What is the Basic principle of STDM? Fixed and Synchronized time inver-
vals
, WGU D413 Telecommunication and Wireless
14. What is the Basic principle of ATDM? Variable time intervals
15. What is the Basic principle of CDM? Unique Codes for each channel
16. cyclic redundancy check (CRC) Based on the same principle for
error detection as a parity check
but uses mathematical algorithms to
deter-mine if any bits are corrupt.
17. Resistance Opposition to direct current
Ω (ohm)
Current flow affected by cable
length. Resistance is present in bat-
tery-powered circuits.
18. Impedance Opposition to alternating current
(AC)
Z
Current flow is affected by frequen-
cy, cable length, induction, and ca-
pacitance. Impedance is present in
AC-powered circuits.
19. Category 1 UTP or STP UDP
20. Category 2 UTP or STP UTP
21. Category 3 UTP or STP UTP or STP
22. Category 4 UTP or STP UTP or STP
23. Category 5 UTP or STP UTP or STP
24. Category 5e UTP or STP UTP or STP
, WGU D413 Telecommunication and Wireless
25. Category 6 UTP or STP UTP or STP
26. Category 6a UTP or STP UTP or STP
27. Category 7 UTP or STP UTP or STP
28. Category 8 UTP or STP STP
29. Category 1 Maximum Frequency Rating? None
30. Category 2 Maximum Frequency Rating? 1 MHz
31. Category 3 Maximum Frequency Rating? 16 MHz
32. Category 4 Maximum Frequency Rating? 20 MHz
33. Category 5 Maximum Frequency Rating? 100 MHz
34. Category 5e Maximum Frequency Rating? 100 MHz
35. Category 6 Maximum Frequency Rating? 250 MHz
36. Category 6a Maximum Frequency Rating? 500 MHz
37. Category 7 Maximum Frequency Rating? 600 MHz
38. Category 8 Maximum Frequency Rating? 1800-2000 MHz
39. Category 1 Data Rate Less than 1 Mbps
40. Category 2 Data Rate 4 Mbps
41. Category 3 Data Rate 10 Mbps
16 Mbps
42. Category 4 Data Rate 16 Mbps
