In distributed computing, what is the primary advantage of using a "Reducer" in the MapReduce programming model?
A. To split data into smaller chunks
B. To process and aggregate data from Mapper tasks
C. To store data in the HDFS
D. To visualize data relationships
Answer: Option B
This Question Belongs to Data Science >> Big Data And Distributed Computing
What is the primary characteristic of "big data"?
A. Small volume of data
B. High velocity of data
C. Variety of data sources
D. Low complexity of data
In the context of big data, what does the "3Vs" represent?
A. Velocity, Value, Variability
B. Volume, Variety, Velocity
C. Volume, Value, Variety
D. Velocity, Veracity, Variety
A. Java
B. Python
C. Hadoop
D. SQL
What is the main purpose of the Hadoop Distributed File System (HDFS) in a Hadoop ecosystem?
A. Real-time data processing
B. Data storage and retrieval
C. Data visualization
D. Data encryption
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