The following command is issued: Switch# checkpoint rollback start What is the result? A. The command will fail because rollback commands must be issued from global-config mode. B. The switch will revert the running-configuration to the checkpoint called “start” without…

What is the Link Layer Discovery Protocol? A. a discovery protocol used between Layer 3 devices to determine routes within a single autonomous system B. a standardized IPv6 neighbor discovery protocol used to replace the ARP and broadcast mechanism used…