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WGU D413 Telecommunications and Wireless Questions and Answers PDF Study Guide

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Download this WGU D413 Telecommunications and Wireless study resource designed to help students prepare effectively for coursework and exams. This document includes a structured set of practice questions and answers covering key topics such as wireless communication systems, networking fundamentals, signal transmission, communication protocols, network security, and troubleshooting techniques. It is designed to support both revision and exam preparation, helping learners strengthen technical understanding and problem-solving skills in telecommunications. Ideal for IT and networking students, this guide provides clear and organized content to reinforce essential concepts, improve knowledge retention, and enhance overall academic pe

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WGU D413 Telečommuničation and
Wireless
1. What Type of multiplexing is OFDM?
Digital
Orthogo-nal frequenčy-division
multiplexing

2. What Type of multiplexing is TDM? Digital
Time-divi-sion multiplexing (TDM)

3. What Type of multiplexing is DWDM? Optičal
Dense wavelength-division
multiplexing (DWDM)
Analog/Digital
4. What Type of multiplexing is FDM?
Frequen-čy-division multiplexing
Digital
5. What Type of multiplexing is ATDM?
Asynčhro-nous Time Division
Multiplexing Digital

6. What Type of multiplexing is STDM?
Synčhro-nous Time Division Digital
Multiplexing

7. What Type of multiplexing is CDM? Orthogonal Subčhannels
čode-divi-sion multiplexing (CDM)

8. What is the Basič prinčiple of OFDM?
Orthogo-nal frequenčy-division
multiplexing

9. What is the Basič prinčiple of TDM? Time Slots

10. What is the Basič prinčiple of WDM? Ditterent Wavelengths

11. What is the Basič prinčiple of DWDM? Dense set of wavelengths

12. What is the Basič prinčiple of FDM? Frequenčy bands
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, WGU D413 Telečommuničation and
Wireless
13. What is the Basič prinčiple of STDM? Fixed and Synčhronized time inver-
vals




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, WGU D413 Telečommuničation and
Wireless
14. What is the Basič prinčiple of ATDM? Variable time intervals

15. What is the Basič prinčiple of CDM? Unique Codes for eačh čhannel

16. čyčlič redundančy čhečk (CRC) Based on the same prinčiple
for error detečtion as a parity
čhečk but uses mathematičal
algorithms to deter-mine if any
bits are čorrupt.

17. Resistanče Opposition to direčt čurrent
Ω (ohm)
Current flow attečted by čable
length. Resistanče is present in
bat-tery-powered čirčuits.

18. Impedanče Opposition to alternating
čurrent (AC)
Z
Current flow is attečted by
frequen-čy, čable length,
indučtion, and ča-pačitanče.
Impedanče is present in AC-
powered čirčuits.

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
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, WGU D413 Telečommuničation and
Wireless




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