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: Option C
Related Questions on Cloud Computing
The term 'Cloud' in cloud-computing refers to . . . . . . . .
A. The Internet
B. Cumulus Clouds
C. A Computer
D. Thin Clients
A. cloud gaming
B. experiencing multi- screens
C. image processing
D. all of the above
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