What allows non-Web enabled devices to access the network on a port configured for captive portal?

What allows non-Web enabled devices to access the network on a port configured for captive portal?
A . A MAC address white list can be configured on the switch to allow specific MAC addresses to bypass the captive portal process.
B . LLDP can be used to query the type of device that is attempting to access the network, and predefined device types can be allowed to bypass the captive portal process.
C . Captive portal can be configured to only prompt for credentials when HTTP or HTTPS traffic is requested on a port to allow on-HTTP enabled devices access to the network.
D . Authentication credentials for specific devices can be preconfigured on the switch for automatic authentication.

View Answer

Answer: A