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