Huawei
H12-841_V1.5 · Question #169
In Huawei's WAN solution, for the scenario of "high packet loss rate in WAN links causing intermittent VoIP voice calls", which of the following technologies can "achieve packet loss recovery…
The correct answer is B. Packet loss recovery technology based on forward error correction (FEC) (send redundant data. See the full explanation below for the reasoning.
High Reliability Design in Campus Networks
Question
In Huawei's WAN solution, for the scenario of "high packet loss rate in WAN links causing intermittent VoIP voice calls", which of the following technologies can "achieve packet loss recovery through redundant data transmission and ensure smooth voice calls"?
Options
- AIgnoring packet loss and taking no action results in poor voice quality.
- BPacket loss recovery technology based on forward error correction (FEC) (send redundant data,
- CReduce the VoIP voice sampling rate to decrease the amount of data.
- DRelying solely on TCP retransmission mechanisms to recover lost packet data.
How the community answered
(30 responses)- A10% (3)
- B80% (24)
- C7% (2)
- D3% (1)
Topics
#VoIP#FEC#packet loss recovery#WAN reliability
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