A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)
A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)
To ensure that a wireless network can support voice services, the client device must have at least a -67 dBm RSSI (Received Signal Strength Indicator) to maintain a reliable connection. Additionally, the rate of retransmitted packets should be kept under 20 percent to ensure minimal packet loss and delays, which can significantly affect the quality of voice communication.
B&D should https://www.cisco.com/c/en/us/td/docs/wireless/technology/vowlan/troubleshooting/vowlan_troubleshoot/8_Site_Survey_RF_Design_Valid.html RF Design Validation 1. The optimal VoWLAN Cell Edge recommendation is -67 dBm. 2. An optimal VoWLAN deployment will require at least a 20 percent cell overlap for 2.4 GHz and 15-20 percent for 5 GHz for access points that reside on different channels. 3. Over all Channel Utilization should be less than 50 percent. 4. The Noise floor should not exceed -92 dBm, which facilitates a Signal to Noise Ratio of 25 dB. 5. Retransmissions should be kept under 20 percent. 6. Packet Loss should remain under 1 percent and jitter should be kept to less than 100 ms.
Answer: B y D
https://www.cisco.com/c/en/us/td/docs/wireless/technology/vowlan/troubleshooting/vowlan_troubleshoot/8_Site_Survey_RF_Design_Valid.html Correct its B and D
B AND D
According to Cisco ENWLSD Course, it is B and D.
You should measure using 5 ghz because if that works then 2.4 will for sure work. It could be either or, there isnt enough info here. If the answer says 15% i could see that. I could also see 20% it depends.
RF Design Validation https://www.cisco.com/c/en/us/td/docs/wireless/technology/vowlan/troubleshooting/vowlan_troubleshoot/8_Site_Survey_RF_Design_Valid.html
I disagree Answer should A and B A voice design does not accept retransmission
Sorry my reply is wrong Answer B & D
B & D are the correct answers