What configuration step is required for booting the Session Border Controller from an external FTP server? 

Answer options:

A. Navigate to the bootparams configuration branch and set the host inet field to the IP address of the external BOOTP Server from which the Session Border Controller can boot.
B. Navigate to the system configuration branch and set the ip address field of the wancom1 management interface.
C. Navigate to the bootparams configuration branch and set the ip address field of the destination SIP device with which the Session Border Controller needs to interact.
D. Navigate to the system configuration branch and set the ip address field of the wancom0 management interface.
E. Navigate to the bootparams configuration branch, set the host inet or Host IP, FTP username, and FTP password for the external FTP Server in

C