Data Flow MCQ

Test your knowledge with important Data Flow MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Data Flow MCQs at Bissoy

• Output of the mapper is first written on the local disk for sorting and _________ process.
  ক

  shuffling

  খ

  secondary sorting

  গ

  forking

  ঘ

  reducing
• __________ controls the partitioning of the keys of the intermediate map-outputs.
  ক

  Collector

  খ

  Partitioner

  গ

  InputFormat

  ঘ

  None of the mentioned
• The default InputFormat is __________ which treats each value of input a new value and the associated key is byte offset.
  ক

  TextFormat

  খ

  TextInputFormat

  গ

  InputFormat

  ঘ

  All of the mentioned
• On a tasktracker, the map task passes the split to the createRecordReader() method on InputFormat to obtain a _________ for that split.
  ক

  InputReader

  খ

  RecordReader

  গ

  OutputReader

  ঘ

  None of the mentioned
• InputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.
  ক

  puts

  খ

  gets

  গ

  getSplits

  ঘ

  all of the mentioned
• The JobTracker pushes work out to available _______ nodes in the cluster, striving to keep the work as close to the data as possible.
  ক

  DataNodes

  খ

  TaskTracker

  গ

  ActionNodes

  ঘ

  All of the mentioned
• The daemons associated with the MapReduce phase are ________ and task-trackers.
  ক

  job-tracker

  খ

  map-tracker

  গ

  reduce-tracker

  ঘ

  all of the mentioned
• ________ is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks.
  ক

  Hive

  খ

  MapReduce

  গ

  Pig

  ঘ

  Lucene