What is the purpose of the POST operation on a router?

ITExamAnswers Editorial Team Last Updated: Jul 28, 2020

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What is the purpose of the POST operation on a router?

determine whether additional hardware has been added
locate an IOS image for booting
enable a TFTP server
set the configuration register

Explanation: In short, when powered on the router needs to do:

1. Run POST to check hardware
2. Search for a valid IOS (the Operating System of the router)
3. Search for a configuration file (all the configurations applied to this router)

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