The ____________ class extends and implements several Hadoop-supplied interfaces.(a) AvroReducer(b) Mapper(c) AvroMapper(d) None of the mentionedThe question was asked by my school principal while I was bunking the class.This intriguing question comes from Serialization topic in section Hadoop I/O of Hadoop

The ____________ class extends and implements several Hadoop-supplied

1.	The ____________ class extends and implements several Hadoop-supplied interfaces.(a) AvroReducer(b) Mapper(c) AvroMapper(d) None of the mentionedThe question was asked by my school principal while I was bunking the class.This intriguing question comes from Serialization topic in section Hadoop I/O of Hadoop
Answer» The correct ANSWER is (c) AvroMapper To explain I WOULD say: AvroMapper is used to PROVIDE the ability to COLLECT or map DATA.

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