a) Lucene b) kafka c) MapReduce d) Avro Answer: d Explanation: Avro serialization includes the schema with ...
View QuestionWhich of the following works well with Avro?
a) Lucene b) kafka c) MapReduce d) None of the mentioned Answer: c Explanation: You can use ...
View QuestionThe ________ method in the ModelCountReducer class “reduces” the values the mapper collects into a derived value.
a) count b) add c) reduce d) all of the mentioned Answer: c Explanation: In some cases, ...
View Question____________ class accepts the values that the ModelCountMapper object has collected.
a) AvroReducer b) Mapper c) AvroMapper d) None of the mentioned Answer: a Explanation: AvroReducer summarizes them ...
View QuestionThe ____________ class extends and implements several Hadoop-supplied interfaces.
a) AvroReducer b) Mapper c) AvroMapper d) None of the mentioned Answer: c Explanation: AvroMapper is used ...
View QuestionPoint out the wrong statement.
a) Java code is used to deserialize the contents of the file into objects b) Avro allows you ...
View QuestionThe ____________ is an iterator which reads through the file and returns objects using the next() method.
a) DatReader b) DatumReader c) DatumRead d) None of the mentioned Answer: b Explanation: DatumReader reads the ...
View QuestionAvro schemas describe the format of the message and are defined using ______________
a) JSON b) XML c) JS d) All of the mentioned Answer: a Explanation: The JSON schema ...
View QuestionPoint out the correct statement.
a) Apache Avro is a framework that allows you to serialize data in a format that has a ...
View QuestionApache _______ is a serialization framework that produces data in a compact binary format.
a) Oozie b) Impala c) kafka d) Avro Answer: d Explanation: Apache Avro doesn’t require ...
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