Which three commands can you use to set a router boot image? (Choose three)
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When a Cisco router boots up, it needs to load an operating system image, commonly referred to as the "boot image." The router typically looks for the boot image in several different locations, such as the flash memory or a TFTP server.
To configure the boot image on a Cisco router, you can use the "boot system" command. This command specifies the location of the boot image and the order in which the router should look for it.
There are three main commands that can be used to set a router boot image:
"boot system flash [image name]" - This command tells the router to load the boot image from flash memory. The "[image name]" should be replaced with the name of the image file, such as "c4500-p-mz.121-20.bin".
"boot system tftp [TFTP server IP address] [image name]" - This command tells the router to load the boot image from a TFTP server. The "[TFTP server IP address]" should be replaced with the IP address of the TFTP server, and "[image name]" should be replaced with the name of the image file on the TFTP server.
"boot system rom [image name]" - This command tells the router to load the boot image from ROM, which is a read-only memory chip on the router's motherboard. The "[image name]" should be replaced with the name of the image file, such as "c7301-advipservicesk9-mz.124-24.T4.bin".
Note that the "boot system" command is entered in global configuration mode, which is accessed by entering the "config" command followed by "config-register" hexadecimal values.
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