📊 Cloud Computing
Q. If the IP address or hostname of a data node changes
  • (A) The namenode updates the mapping between file name and block name
  • (B) The data in that data node is lost forever
  • (C) The namenode need not update mapping between file name and block name
  • (D) There namenode has to be restarted
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✅ Correct Answer: (C) The namenode need not update mapping between file name and block name

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Mr. Dubey
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