Which layer of Hadoop is responsible for data storage?
a. The application layer
b. The Hadoop Distributed File system layer (HDFS)
c. The workload management layer
d. The Hadoop resource layer (HRL)
b. The Hadoop Distributed File system layer (HDFS)
Hadoop, an open-source software framework, can be thought of as consisting of three layers—the application layer, the workload layer, and the Hadoop Distributed File System. The Hadoop Distributed File System (HDFS)layer is responsible for storage of data in a data warehouse.
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