A technician is investigating unauthorized Wi-Fi access on a customer's home network. Individuals are able to access the customer's Wi-Fi network without a password. Which of the following is the…

Channel utilization being oversubscribed leads to poor Wi-Fi performance, not open or unauthorized access without a password.

While WPA2 exploits exist, they typically involve bypassing an existing password, and are generally less common than a misconfigured or open guest network that requires no password.

A Wi-Fi password posted on the router would imply that a password is still required for access, which contradicts the scenario of access "without a password."

Many modern Wi-Fi routers have a guest network feature that, when enabled, provides separate network access which can often be configured without a password or with a simple, readily available one. If a guest network is enabled and configured to be open, it would allow individuals to connect to the Wi-Fi "without a password" as described, providing unauthorized access from the customer's perspective.