Which of the following analytical competencies are offered by information management corporations?
All Options are Correct
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Stream Computing
Content Management
Information Integration
Category: Big Data Technology
Which of the big data characteristic is comparatively more concerned with data science?
Which of the big data characteristic is comparatively more concerned with data science?
Variety
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Velocity
Volume
None of the Option is Correct
Beyond Volume, velocity and variety are the concerns and problems of big data veracity.
Beyond Volume, velocity and variety are the concerns and problems of big data veracity.
TRUE
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FALSE
Partially True
None of the Option is Correct
Which of the following is a correct statement.
Which of the following is a correct statement.
None of the Option is Correct
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Machine learning emphasizes on prediction, based on well-known properties learned from the training data
Data Cleaning emphasizes on prediction, based on well-known properties learned from the training data
All Options are Correct
Which of the following is a wrong statement.
Which of the following is a wrong statement.
Big Data is just about tons of data
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The data growth and social media explosion have improved that how we look at the data
The big volume actually represents Big Data
All Options are Correct
Reducer is input the grouped output of a :
Reducer is input the grouped output of a :
Mapper
Excellent ! Your Answer is Correct. In the phase the framework, for each Reducer, fetches the relevant partition of the output of all the Mappers, via HTTP.
Reducer
Writable
Readable
Interface ____________ reduces a set of intermediate values which share a key to a smaller set of values.
Interface ____________ reduces a set of intermediate values which share a key to a smaller set of values.
Reducer
Excellent ! Your Answer is Correct. Reducer implementations can access the JobConf for the job.
Mapper
Writable
Readable
________ is the slave/worker node and holds the user data in the form of Data Blocks.
________ is the slave/worker node and holds the user data in the form of Data Blocks.
DataNode
Excellent ! Your Answer is Correct. A DataNode stores data in the [HadoopFileSystem]. A functional filesystem has more than one DataNode, with data replicated across them.
NameNode
Data block
Replication
The need for data replication can arise in various scenarios like :
The need for data replication can arise in various scenarios like :
All Options are Correct
Excellent ! Your Answer is Correct. Data is replicated across different DataNodes to ensure a high degree of fault-tolerance.
Replication Factor is changed
DataNode goes down
Data Blocks get corrupted
_________ identifies filesystem pathnames which work as usual with regular expressions.
_________ identifies filesystem pathnames which work as usual with regular expressions.
None of the Option is Correct
Excellent ! Your Answer is Correct. identifies destination directory which would contain the archive.
archiveName
source
destination