📊 Hadoop
Q. Which protocol does HDFS use for communication between NameNode and DataNodes?
  • (A) HTTP
  • (B) FTP
  • (C) RPC
  • (D) SMTP
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✅ Correct Answer: (C) RPC

Explanation: HDFS uses Remote Procedure Calls (RPC) for communication between NameNode and DataNodes.

Explanation by: Mr. Dubey
HDFS uses Remote Procedure Calls (RPC) for communication between NameNode and DataNodes.

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