单项选择题

A. The router will rebroadcast any DHCP requests received by this interface out to all interfaces included in the ip helper - address commands.
B. The router will rebroadcast any UDP broadcasts received by this interface out to all interfaces included in the ip helper - address commands.
C. The router will unicast any DHCP requests received by this interface out to all addresses included in the ip helper - address commands.
D. This configuration will not do anything because the ip helper - address command needs to also be applied to the 192.168.23.1 IP address.