You are the network technician at Certkiller . Certkiller has several IP Phones that use the following configuration.
Tftp-server flash P00303020214.bin.
Telephony service.
Load 7960 – 7940 P00303020214-bin.
Max-ephones 48
Max-dn 288.
Ip source address 192.168.1.1 port 2000.
Create enf-files.
The IP phones fail to download firmware.
What is the cause of this problem?

A.
There is no problem. This is valid configuration.

B.
The create enf-files command needs to be removed.

C.
The load command should not have a .bin extension.

D.
The XMLDefault enf.xml file needs to be shared using the tftp-server command.