010-151 · Question #21
Which command saves the active configuration to NVRAM?
The correct answer is C. copy running-config startup-config. Saving the active configuration to NVRAM requires copying from running-config to startup-config in Cisco IOS.
Question
Which command saves the active configuration to NVRAM?
Options
- Acopy startup-config running-config
- Bcopy active-config backup-config
- Ccopy running-config startup-config
- Dcopy backup-config active-config
How the community answered
(19 responses)- A11% (2)
- B5% (1)
- C84% (16)
Why each option
Saving the active configuration to NVRAM requires copying from running-config to startup-config in Cisco IOS.
This command copies in the reverse direction, overwriting the active running-config with the saved NVRAM startup-config rather than saving to NVRAM.
'backup-config' is not a valid Cisco IOS configuration file target; this command syntax does not exist on Cisco devices.
The running-config holds the currently active configuration in DRAM, while startup-config is stored in NVRAM and loaded at boot. The command 'copy running-config startup-config' writes the active configuration to NVRAM, ensuring it persists across reboots.
Neither 'active-config' nor 'backup-config' are valid Cisco IOS configuration file names; this syntax is fabricated.
Concept tested: Saving running configuration to NVRAM on Cisco IOS
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/fundamentals/configuration/xe-16/fundamentals-xe-16-book/cf-config-files.html
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