A network administrator implements a group of access points, only changing the SSID, credentials, and IP address. Shortly after, users begin reporting poor quality and video loss while on video calls in the conference room. Which of the following should the administrator do to MOST effectively troubleshoot during business hours?


A. Remove the current antennas and replace them with directional antennas on each AP.
B. Disconnect the AP and move it closer to the conference room.
C. Configure separate channels on APs that are not supporting the conference room.
D. Reboot the switch and each AP at the same time.