An engineer must generate a checkpoint of the running configuration on a Cisco Nexus Switch. The checkpoint file name must be called "before_maintenance’ and should be used for recovering the switch to its pre-maintenance state. The rollback of the checkpoint to running configuration should only occur if no errors occur.
Which two configuration commands must be used to meet these requirements? (Choose two.)
A . rollback checkpoint file before_maintenance stop-at-first-failure
B . checkpoint file before_maintenance
C . checkpoint before_maintenance
D . rollback running-config file before_maintenance atomic
E . rollback running-config checkpoint before_maintenance
Answer: B,D
Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/security/n5k-sec-cr/n5k-sec_cmds_r.html
rollback checkpoint is invalid command. Rollback should be to running configuration, not a checkpoint
rollback can be selected by a name or file name. the difference between them is using the "file" keyword.
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