What does the secure boot-config global configuration accomplish?
A.
enables Cisco IOS image resilience
B.
backs up the Cisco IOS image from flash to a TFTP server
C.
takes a snapshot of the router running configuration and securely archives it in persistent
storage
D.
backs up the router running configuration to a TFTP server
E.
stores a secured copy of the Cisco IOS image in its persistent storage