Which command is used to set the BOOT environment variable that defines where to find the IOS image file on a switch?

Question:
Which command is used to set the BOOT environment variable that defines where to find the IOS image file on a switch?

• config-register
• boot system
• boot loader
• confreg

Explanation: The boot system command is used to set the BOOT environment variable. The config-register and confreg commands are used to set the configuration register. The boot loader command supports commands to format the flash file system, reinstall the operating system software, and recover from a lost or forgotten password.

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