Q. What is the role of Hadoop's HDFS snapshot feature in terms of security?
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(A)
Enhancing data replication in HDFS
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(B)
Improving the performance of MapReduce jobs
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(C)
Implementing role-based access control
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(D)
Creating point-in-time copies of HDFS directories
✅ Correct Answer: (D)
Creating point-in-time copies of HDFS directories