Final answer:
The network administrator should consider ensuring backward compatibility with older devices and implementing 802.1x authentication for user devices when implementing WPA3 and adjusting wireless security settings.
Step-by-step explanation:
Considerations for Implementing WPA3 and Adjusting Wireless Security Settings:
- Ensuring backward compatibility with older devices: It is important to consider that some older devices may not support WPA3. Therefore, the network administrator should ensure backward compatibility by allowing devices to connect using WPA2 or other older encryption methods.
- Implementing 802.1x authentication for user devices: This authentication method provides an extra layer of security by requiring user credentials for network access. It prevents unauthorized devices from connecting to the network.
- Factors such as enabling MAC address filtering and adjusting signal strength can also play a role in network security, but they are less effective and thus were not selected as the best options.