Network Operations第 46 / 100 题
Which metric describes the variation in packet delay that can degrade real-time voice and video quality?
a.Throughput
b.Bandwidth
c.Jitter
d.Attenuation
解析
Jitter is the variation in delay between received packets and is especially harmful to real-time applications like VoIP and video. Buffers can absorb small amounts of jitter, but excessive jitter causes choppy audio. QoS policies help minimize it.
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