1Z0-928 Exam Dumps | A financial company uses Hadoop cluster to store, process, and analyze all the stock trading data. They

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Oracle.1z0-928.v2019-09-10.q22
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Question 3/22

A financial company uses Hadoop cluster to store, process, and analyze all the stock trading data. They use a map reduce job to generate daily reports for their clients by 6 a.m. every using the data on adoop cluster. One of the data nodes in the cluster crashed due to hard disk failure.
What will be the impact?

A. Restore the data from backup to the new node and rerun the report

B. Downtime will be needed to replace the failed hard disk and rerun the report

C. HDFS replication factor ensured that report generation process runs to completion

D. Hadoop can reboot the tailed node automatically and rectify the faulty dink.

Correct Answer: A

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