During a video conference, users complain that voices sound robotic and words drop out. A packet capture shows that voice packets are arriving in uneven bursts rather than at regular intervals-often a consequence of limited available bandwidth. Which network performance metric BEST describes this variation in the arrival time of packets?
Jitter is the statistical variation in the delay between successive packets reaching their destination. When bandwidth is insufficient or the network is congested, some VoIP packets are delayed while others arrive on time, producing high jitter and choppy audio. Latency, throughput, and signal attenuation measure different characteristics of a connection.
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