Which command is used to upgrade an IOS on a Cisco router?
2025
Which command is used to upgrade an IOS on a Cisco router?
Answer: D. copy tftp flash — To upgrade the IOS on a Cisco router, the new IOS image must be copied to the router's flash memory. The command copy tftp flash is used to transfer the IOS…
- A.
copy tftp run
- B.
copy tftp start
- C.
config net
- D.
copy tftp flash
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Correct answer: D
To upgrade the IOS on a Cisco router, the new IOS image must be copied to the router's flash memory. The command copy tftp flash is used to transfer the IOS file from a TFTP server to flash memory. After the file is in flash, the router can be configured to boot from this new image.
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