What are the best practices for maintaining a high-quality video call regarding latency, jitter, and packet loss?

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What are the best practices for maintaining a high-quality video call regarding latency, jitter, and packet loss?
A . 20-ms one-way delay, no jitter, no packet loss
B . less than 150-ms one-way delay, 30-ms jitter, less than 3 percent packet loss
C . 150- to 400-ms one-way delay, 50-ms jitter, 5 percent packet loss
D . 500-ms one-way delay, 50-ms jitter, 5 percent packet loss

Answer: B