What is the effect of using the Router# copy running-config startup-config command on a router?

Question:
What is the effect of using the Router# copy running-config startup-config command on a router?

• The contents of ROM will change.
• The contents of RAM will change.
• The contents of NVRAM will change.
• The contents of flash will change.

Explanation: The command copy running-config startup-config copies the running-configuration file from RAM into NVRAM and saves it as the startup-configuration file. Since NVRAM is none-volatile memory it will be able to retain the configuration details when the router is powered off.

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