RESILIENCE:

A . 正确 B . 错误

A . is stateless with global referencing of metadata B . is based on cluster architecture with externally provided quorum disks C . is based on cluster architecture, with quorum held internally on the first cluster node D . is based on grid architecture, with each node holding a full mirror configuration for all other node

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.