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100-490 · Question #11

100-490 Question #11: Real Exam Question with Answer & Explanation

The correct answer is C. -c. The -c option in Xmodem file transfers is used to enable CRC (Cyclic Redundancy Check) for enhanced error checking. Error Detection: CRC is a more robust error detection mechanism compared to the standard checksum method used in Xmodem. It provides greater reliability in identify

Question

Which Xmodem option is used to enhance error checking of an image that is copied to flash memory?

Options

  • A-e
  • B-r
  • C-c
  • D-x

Explanation

The -c option in Xmodem file transfers is used to enable CRC (Cyclic Redundancy Check) for enhanced error checking. Error Detection: CRC is a more robust error detection mechanism compared to the standard checksum method used in Xmodem. It provides greater reliability in identifying file corruption during the transfer. Flash Memory: Since flash memory on a Cisco router or switch stores critical data like configuration files or the IOS image, ensuring the integrity of transferred files is crucial.

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