220-1201 · Question #219
220-1201 Question #219: Real Exam Question with Answer & Explanation
The correct answer is A: Enable QoS in the router. Quality of Service (QoS) prioritizes VoIP traffic on the network, reducing jitter, latency, and packet loss to improve call quality.
Question
A technician receives several complaints from the same office about VoIP calls sounding broken up, being difficult to hear, and having lagging audio. The technician arrives on-site and runs an internet speed test on several wired and wireless computers. Internet speed seems normal throughout the office. Which of the following should the technician do to fix the call issues?
Options
- AEnable QoS in the router
- BConfigure PoE on the switch
- CChange the encryption from WPA3 to WPA2
- DTurn on MAC address filtering
Explanation
Quality of Service (QoS) prioritizes VoIP traffic on the network, reducing jitter, latency, and packet loss to improve call quality.
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