Hadoop Quiz Set #2

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Hadoop Quiz Set #2

Hadoop a open source framework for handling BIG DATA.If you want to expertise your self in Hadoop please solve below quiz.

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Which is the default Input Formats defined in Hadoop ?

SequenceFileInputFormat

ByteInputFormat

KeyValueInputFormat

TextInputFormat

Clear selection

Which of the following is not an input format in Hadoop ?

TextInputFormat

ByteInputFormat

SequenceFileInputFormat

KeyValueInputFormat

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Which of the following is a valid flow in Hadoop ?

Input -> Reducer -> Mapper -> Combiner -> -> Output

Input -> Mapper -> Reducer -> Combiner -> Output

Input -> Mapper -> Combiner -> Reducer -> Output

Input -> Reducer -> Combiner -> Mapper -> Output

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MapReduce was devised by ...

Apple

Google

Microsoft

Samsung

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Which of the following is not a phase of Reducer ?

Map

Reduce

Shuffle

Sort

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How many instances of Job tracker can run on Hadoop cluster ?

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Which of the following is not the Dameon process that runs on a hadoop cluster ?

JobTracker

DataNode

TaskTracker

TaskNode

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You are uploading a file to hdfs, which is true

You cannot read your file in hdfs until file is COMPLETELY uploaded to HDFS

You cannot see your file in hdfs until file is completely uploaded to HDFS

You can only see uploaded part of file

You can see and read uploaded part of file

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