A technician is troubleshooting a network at a small office where users are experiencing intermittent wireless connectivity. Sometimes the connection is strong and stable, but at other times, the wireless signal drops abruptly. What is the BEST initial troubleshooting step to determine the cause?
Enable Quality of Service (QoS) settings on the router
Check for IP address conflicts on the network
Update the wireless network adapter drivers on the users' devices
Check for potential sources of signal interference