Which Cisco IOS command is used to verify that either the Cisco IOS image, the configuration files, or both have been properly backed up and secured?
A. show archive
B. show secure bootset
C. show flash
D. show file systems
E. dir
F. dir archive
Explanation/Reference:
Explanation:
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_resil_config_ps6922_TSD_Products_Configuration_Guide_Chapter.html
Restrictions for Cisco IOS Resilient Configuration
This feature is available only on platforms that support a Personal Computer Memory Card International Association (PCMCIA) Advanced Technology Attachment (ATA) disk. There must be enough space on the storage device to accommodate at least one Cisco IOS image (two for upgrades) and a copy of the running configuration. IOS Files System (IFS) support for secure file systems is also needed by the software.
It may be possible to force removal of secured files using an older version of Cisco IOS software that does not contain file system support for hidden files. This feature can be disabled only by using a console connection to the router. With the exception
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of the upgrade scenario, feature activation does not require console access. You cannot secure a bootset with an image loaded from the network. The running image must be loaded from persistent storage to be secured as primary.
Secured files will not appear on the output of a dir command issued from an executive shell because the IFS prevents secure files in a directory from being listed. ROM monitor (ROMMON) mode does not have any such restriction and can be used to list and boot secured files. The running image and running configuration archives will not be visible in the Cisco IOS dir command output. Instead, use the show secure bootset command to verify archive existence.