In Hadoop, what is the purpose of the DataNode?
A. Store data blocks
B. Manage computation resources
C. Execute MapReduce jobs
D. Manage HDFS metadata
Answer: Option A
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Related Questions on Introduction to Hadoop
What is Hadoop primarily designed for?
A. Real-time data processing
B. Batch processing of large datasets
C. Structured data storage
D. In-memory caching
What is the core component of Hadoop responsible for distributed storage?
A. YARN
B. HDFS
C. MapReduce
D. Hive
Which programming language is commonly used for writing MapReduce programs?
A. Python
B. Java
C. Ruby
D. C++
What does HDFS stand for in the context of Hadoop?
A. Hadoop Distributed File System
B. High-level Data Format System
C. Hadoop Data Flow System
D. High-Density File Storage
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