Q. __________ represent the logical computations of your Crunch pipelines.

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Q. PCollection, PTable, and PGroupedTable all support a __________ operation.

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Q. Crunch uses Java serialization to serialize the contents of all of the ______ in a pipeline definition.

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Q. Inline DoFn that splits a line up into words is an inner class ____________

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Q. DoFns provide direct access to the __________ object that is used within a given Map or Reduce task via the getContext method.

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Q. The top-level ___________ package contains three of the most important specializations in Crunch.

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Q. The Avros class also has a _____ method for creating PTypes for POJOs using Avro’s reflection-based serialization mechanism.

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Q. The ______________ class defines a configuration parameter named LINES_PER_MAP that controls how the input file is split.

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Q. The ________ class allows developers to exercise precise control over how data is partitioned, sorted, and grouped by the underlying execution engine.

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Q. Which of the following project is interface definition language for hadoop?

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Q. __________ is used as a remote procedure call (RPC) framework for facebook.

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Q. Which of the following is a straightforward binary format?

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Q. Which of the following is a more compact binary format?

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Q. Which of the following format is similar to TCompactProtocol?

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Q. ________ is a write-only protocol that cannot be parsed by Thrift.

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Q. Which of the following Uses JSON for encoding of data?

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Q. _____________ is a human-readable text format to aid in debugging.

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Q. _______ transport is required when using a non-blocking server.

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Q. __________ uses memory for I/O in Thrift.

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Q. ________ uses blocking socket I/O for transport.

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