Which one of the Cisco IOS commands can be used to verify that either the Cisco IOS image， theconfiguration files，or both have been properly backed up and secured？（）

A.Between the supplicant and the authenticator
B.Between the authenticator and the authentication server
C.Between the supplicant and the authentication server
D.Between the RADIUS server and the authenticator

A.Interfaces and Connections
B.Intrusion Prevention
C.Security Audit
D.Additional Tasks