Before replacing a Cisco Catalyst switch, which command should you use to back up its current configuration?

Question

Options

• Acopy running-config startup-config
• Bcopy startup-config running-config
• Ccopy running-config tftp
• Dcopy tftp running-config

• A
  2% (1)
• C
  94% (49)
• D
  4% (2)

Explanation

copy running-config tftp (option C) is correct because it sends the active configuration off the device to a remote TFTP server, giving you a safe external backup before you physically replace the switch. Option A (copy running-config startup-config) only saves the config locally within the same device - useless once that hardware is gone. Option B reverses the direction (it restores startup-config into RAM) and option D pulls a config from TFTP into running memory - both are restore operations, not backups.

Memory tip: Read the copy command like a sentence - "copy [source] [destination]" - so copy running-config tftp means "copy my running config to TFTP." Anything pointing to TFTP is a backup; anything pointing from TFTP is a restore.

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