Question 1 of 30
A network engineer is troubleshooting a VoIP call quality issue in a Cisco Unified Communications Manager (CUCM) environment. The engineer uses the Cisco Unified Real-Time Monitoring Tool (RTMT) to analyze the call quality metrics. During the analysis, the engineer observes that the Mean Opinion Score (MOS) for calls is consistently below the acceptable threshold of 4.0. The engineer suspects that packet loss is a contributing factor. To quantify the packet loss, the engineer runs a packet capture on the affected network segment and finds that out of 10,000 packets sent, 300 packets were lost. What is the percentage of packet loss, and how might this impact the overall call quality?
3.0% packet loss, which can significantly degrade call quality and lead to poor user experience.
2.5% packet loss, which is generally acceptable for VoIP communications.
4.5% packet loss, which indicates a critical issue that needs immediate attention.
5.0% packet loss, which is within the tolerable range for most VoIP applications.

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