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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 |
Answer» C. the namenode need not update mapping between file name and block name |
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