How can one effectively secure a Wi-Fi network?

To effectively secure a Wi-Fi network, setting a strong password and enabling encryption is crucial. A strong password prevents unauthorized users from accessing the network, making it significantly harder for intruders to gain entry. Encryption, such as WPA3, ensures that the data being transmitted over the network is scrambled, protecting it from eavesdroppers. Without these measures, sensitive information can be intercepted, and unauthorized users can connect to the network, leading to potential data breaches and privacy violations.

The other options suggest methods that either compromise security or do not provide adequate protection. For example, using public access points can expose users to various security risks, as these networks are often unsecured and can be exploited by attackers. Disabling the firewall removes an essential layer of defense against unauthorized access and various cyber threats. Reducing the signal strength may limit the coverage area but does not effectively prevent unauthorized access to the network, as determined attackers could still connect if they are within range. Therefore, using a strong password combined with encryption is the most effective approach to securing a Wi-Fi network.