Q. The ____________ is an iterator which reads through the file and returns objects using the next() method.

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Q. The ____________ class extends and implements several Hadoop-supplied interfaces.

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Q. ____________ class accepts the values that the ModelCountMapper object has collected.

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Q. The ________ method in the ModelCountReducer class “reduces” the values the mapper collects into a derived value.

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Q. Which of the following works well with Avro?

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Q. __________ tools is used to generate proxy objects in Java to easily work with the objects.

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Q. Avro schemas are defined with _____

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Q. __________ facilitates construction of generic data-processing systems and languages.

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Q. With ______ we can store data and read it easily with various programming languages.

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Q. ________ are a way of encoding structured data in an efficient yet extensible format.

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Q. Thrift resolves possible conflicts through _________ of the field.

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Q. Avro is said to be the future _______ layer of Hadoop.

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Q. When using reflection to automatically build our schemas without code generation, we need to configure Avro using?

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Q. We can declare the schema of our data either in a ______ file.

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Q. Which of the following is a primitive data type in Avro?

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Q. Avro supports ______ kinds of complex types.

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Q. ________ are encoded as a series of blocks.

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Q. ________ instances are encoded using the number of bytes declared in the schema.

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Q. ________ permits data written by one system to be efficiently sorted by another system.

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Q. _____________ are used between blocks to permit efficient splitting of files for MapReduce processing.

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