What are two probable causes of a VoIP implementation experiencing dropouts, echoes, or glitches? (Choose two.)
- high cable voltage
- high latency
- high bandwidth
- high cable impedance
- high jitter
Explanation: VoIP implementations are sensitive to high latency (excessive data transmission delay) and high jitter (excessive variation in delay), which can cause voice data to drop out, echo, or suffer other glitches that do not affect non-real-time data such as web or file transfer data. High bandwidth availability would typically enhance all data transmission. High cable voltage will most likely damage network devices and completely disrupt all data transmission. Similarly, high cable impedance will most likely disrupt all data transmission completely.
Exam with this question: IT Essentials ( Version 8.0) - IT Essentials 8.0 Practice Final Ch 1 - 9 Answers
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