Q. How can you secure the communication between nodes in a Hadoop cluster using IPsec?
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(A)
Enabling public IP addresses for all nodes
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(B)
Disabling firewall settings on all nodes
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(C)
Running Hadoop in an open network mode
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(D)
Configuring IPsec for secure communication
✅ Correct Answer: (D)
Configuring IPsec for secure communication