Hadoop Quiz 3 | Englishfreetest.com

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  • Test content
    Question 1: Which of the following operations can’t use Reducer as combiner also?
    A. Group by Minimum
    B. Group by Maximum
    C. Group by Count
    D. Group by Average
    Question 2: Maximum size allowed for small dataset in replicated join is
    A. 10KB
    B. 10 MB
    C. 100 MB
    D. 500 MB
    Question 3: What decides number of Mappers for a MapReduce job?
    A. File Location
    B. mapred.map.tasks parameter
    C. Input file size
    D. Input Splits
    Question 4: Which of the following OutputFormat is used for writing to relational databases and Hbase?
    A. TextOutputFormat
    B. SequenceFileOutputFormat
    C. MapFileOutputFormat
    D. DBOutputFormat
    Question 5: Which of the following is the outer most part of HBase data model
    A. Database
    B. Table
    C. Row key
    D. Column family
    Question 6: Which of the following is the daemon of Hadoop?
    A. NameNode
    B. Node manager
    C. DataNode
    D. All of the above
    Question 7: Which one of the following is false about Hadoop?
    A. It is a distributed framework
    B. The main algorithm used in it is Map Reduce
    C. It runs with commodity hard ware
    D. All are true
    Question 8: Hadoop Framework is written in
    A. Python
    B. Java
    C. C++
    D. Scala
    Question 9: Which of the following is component of Hadoop?
    A. YARN
    B. HDFS
    C. All of the above
    D. MapReduce
    Question 10: The archive file created in Hadoop has the extension of
    A. hrh
    B. har
    C. hrc
    D. hrar