You support Microsoft Lync Server 2013 in your company network. Your company has four buildings
on a single site. A user reports that when she calls users in another building, the call quality is poor.
You receive the Quality of Experience (QoE) report: Capture device:
Headset MicrophoneRender device: Headset EarphoneMicrophone timestamp error: 0.02msEcho
percent microphone in: 15.21%Codec: SIRENAudio FEC: FalsePacket utilization: 32701Avg. packet
loss rate: 10.21%Avg. jitter: 23msAvg. round trip: 62msAvg. network MOS: 3.71Avg. network MOS
degradation (jitter):0.00%Avg. sending MOS: 2.97Avg. listening MOS: 3.17Receive noise level: –
56dBoV
Which of the following values is outside acceptable limits?
A.
Receive noise level: -56dBoV
B.
Packet utilization: 32701
C.
Avg. round trip: 62ms
D.
Avg. packet loss rate: 10.21%
E.
Avg. jitter: 23ms
Explanation: