What is the role of the Hadoop JobTracker in MapReduce?
A. Manage resource allocation
B. Manage task execution in MapReduce jobs
C. Manage HDFS metadata
D. Manage ZooKeeper configurations
Answer: Option B
A. Manage resource allocation
B. Manage task execution in MapReduce jobs
C. Manage HDFS metadata
D. Manage ZooKeeper configurations
Answer: Option B
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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