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This set of MCQs helps students to learn about developing a MapReduce application, which is a framework using which we can write applications to process huge amounts of data, in parallel, on large clusters of commodity hardware in a reliable manner.
Which of the following is not a table scope operator?
__________ class adds HBase configuration files to its object.
The ________ class provides the getValue() method to read the values from its instance.
________ communicate with the client and handle data-related operations.
HBase uses the _______ File System to store its data.
___________ takes node and rack locality into account when deciding which blocks to place in the same split.
The key, a ____________ is the byte offset within the file of the beginning of the line.
_________ is the output produced by TextOutputFor mat, Hadoop default OutputFormat.
__________ is a variant of SequenceFileInputFormat that converts the sequence file’s keys and values to Text objects.
__________ class allows you to specify the InputFormat and Mapper to use on a per-path basis.
___________ is an input format for reading data from a relational database, using JDBC.
Which of the following is the default output format?
_______ can change the maximum number of cells of a column family.
Set
Reset
Alter
Select
You can delete a column family from a table using the method _________ of HBAseAdmin class.
delColumn()
removeColumn()
deleteColumn()
All of the mentioned
_________ is the main configuration file of HBase.
hbase.xml
hbase-site.xml
hbase-site-conf.xml
None of the mentioned
