Câu 99: 220-1201: CompTIA A+ Certification Exam: Core 1

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?

1. A. Enable QoS in the router — đáp án hiện tại
2. B. Configure PoE on the switch
3. C. Change the encryption from WPA3 to WPA2
4. D. Turn on MAC address filtering