单项选择题

A.The Cisco IOS image file will not be visible in the o……

Which result is of securing the Cisco IOS image by use of the Cisco IOS image resilience feature？（）

A.The Cisco IOS image file will not be visible in the output from the show flash command.
B.The show version command will not show the Cisco IOS image file location.
C.When the router boots up， the Cisco IOS image will be loaded from a secured FTP location.
D.The running Cisco IOS image will be encrypted and then automatically backed up to a TFTP server.

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