300-425 · Question #199
A customer has a Wi-Fi network that is designed to support video over Wi-Fi. The Wi-Fi network has good coverage; however, video multicast traffic is unreliable. Video multicast traffic is reliable on
The correct answer is B. packet error rate. The packet error rate is the key performance value that indicates an issue with Wi-Fi multicast video traffic. Multicast frames are not retransmitted on Wi-Fi, so any packet loss or high error rate will directly cause video artifacts, unreliability, or loss of stream integrity, e
Question
A customer has a Wi-Fi network that is designed to support video over Wi-Fi. The Wi-Fi network has good coverage; however, video multicast traffic is unreliable. Video multicast traffic is reliable on the wired portion of the network. Which performance value indicates an issue with the Wi-Fi multicast traffic?
Options
- Ajitter
- Bpacket error rate
- Cthroughput
- Dlatency
How the community answered
(34 responses)- A6% (2)
- B68% (23)
- C18% (6)
- D9% (3)
Explanation
The packet error rate is the key performance value that indicates an issue with Wi-Fi multicast video traffic. Multicast frames are not retransmitted on Wi-Fi, so any packet loss or high error rate will directly cause video artifacts, unreliability, or loss of stream integrity, even if coverage and throughput appear sufficient for other applications.
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