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.

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2025 07:31 am in Hadoop

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

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