Which of the following statements about Apache Hadoop's architecture is true?
- Hadoop follows a master-slave architecture
- Hadoop is primarily designed for handling structured data
- Hadoop operates only in a single-node environment
- Hadoop relies exclusively on SQL for data processing
Apache Hadoop follows a master-slave architecture where the NameNode acts as the master and manages the Hadoop Distributed File System (HDFS), while DataNodes serve as slaves, storing and processing data.
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