Which of the following statements regarding IP Phones and TFTP is valid? (Choose all that apply)

A.
A TFTP server address cannot be statically configured on an IP Phone.

B.
A statically configured TFTP server address on an IP Phone has the ability to override a TFTP server address sent by a DHCP server.

C.
A TFTP server address can be statically configured on an IP Phone.

D.
If the device receives the Cisco CallManager name, it resolves the name using DNS and opens a Cisco CallManager connection.

E.
A device cannot use the default server name if it did not receive an IP address or name.

F.
A device will use the default server name if it did not receive an IP address or name.