What should be an upper limit for counters of a Map Reduce job?
~50
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~150
~15
~5s
Category: Big Data Technology
Which of the following type of joins can be performed in Reduce side join operation?
Which of the following type of joins can be performed in Reduce side join operation?
All Options are Correct
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Left Outer Join
Right Outer Join
Full Outer Join
Number of mappers is decided by the
Number of mappers is decided by the
Input Splits
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Available heap memory
Available Mapper slots
Mappers specified by the programmer
Reduce side join is useful for
Reduce side join is useful for
Very large datasets
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Very small data sets
One small and other big data sets
One big and other small datasets
Which of the following operations can’t use Reducer as combiner also?
Which of the following operations can’t use Reducer as combiner also?
Group by Average
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Group by Count
Group by Minimum
Group by Maximum
Which of the following is NOT the component of Flume?
Which of the following is NOT the component of Flume?
Database
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Sink
Source
Channel
From the options listed below, select the suitable data sources for flume.
From the options listed below, select the suitable data sources for flume.
Publicly open web sites and Remote web servers
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Remote web servers
Local data folders
All Options are Correct
Which of the following is not a valid Hadoop config file?
Which of the following is not a valid Hadoop config file?
hadoop-site.xml
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mapred-site.xml
core-site.xml
Masters
The term Big Data first originated from:
The term Big Data first originated from:
Genomics and Astronomy Domain
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Banking and Finance Domain
Stock Markets Domain
Social Media Domain
What does “Velocity” in Big Data mean?
What does “Velocity” in Big Data mean?
Speed of storing and processing data
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Speed of ONLY storing data
Speed of input data generation
Speed of individual machine processors