OA V1 and V2 | Questions and Answers | 2026 Update | 100% Correct.
📡 WGU D413 – Telecommunications & Wireless Communications
Full OA Question Bank with Answers (Exam-Focused)
DOMAIN 1: Telecommunications Fundamentals
,1. What are the three basic components of a telecommunications system?
Answer:
Transmitter – sends the signal
Transmission medium – carries the signal
Receiver – receives and interprets the signal
2. What is the difference between analog and digital signals?
Answer:
Analog: continuous waveforms, more susceptible to noise
Digital: discrete binary values (0s and 1s), more reliable and error-resistant
3. What does bandwidth measure?
Answer:
The maximum data transfer capacity of a communication channel, typically measured in bps (bits per
second).
4. What is latency?
Answer:
The time delay between sending and receiving data.
5. What is throughput?
Answer:
The actual rate of successful data transmission, often lower than bandwidth.
6. Which is more critical for VoIP: bandwidth or latency?
Answer:
Latency (and jitter) is more critical than raw bandwidth.
DOMAIN 2: Transmission Media
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