Which two tasks does the Dynamic Host Configuration Protocol perform?（）

• A、Set the IP gateway to be used by the network.
• B、Perform host discovery used DHCPDISCOVER message.
• C、Configure IP address parameters from DHCP server to a host.
• D、Provide an easy management of layer 3 devices.
• E、Monitor IP performance using the DHCP server.
• F、Assign and renew IP address from the default pool.