Which file does a Cisco IP phone with MAC address 1111.2222.3333 request from the TFTP server when TFTP configuration encryption is enabled?
A. SEP111122223333.cnf.xml.enc
B. SEP111122223333.cnf.xml.enc.sgn
C. SEP111122223333.cnf.xml.sgn.enc
D. SEPDefault.cnf.xml.enc.sgn
E. SEP111122223333.xml.enc
