Q. How does Hadoop's Transparent Data Encryption (TDE) enhance security in HDFS?
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(A)
Disabling block-level access control
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(B)
Increasing the replication factor of HDFS blocks
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(C)
Encrypting data at rest in HDFS
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(D)
Enabling speculative execution in MapReduce
✅ Correct Answer: (C)
Encrypting data at rest in HDFS