________ are encoded as a series of blocks.(a) Arrays(b) Enum(c) Unions(d) MapsI had been asked this question in an online interview.I'd like to ask this question from Avro topic in section Hadoop I/O of Hadoop

________ are encoded as a series of blocks.(a) Arrays(b) Enum(c) Union

1.	________ are encoded as a series of blocks.(a) Arrays(b) Enum(c) Unions(d) MapsI had been asked this question in an online interview.I'd like to ask this question from Avro topic in section Hadoop I/O of Hadoop
Answer» Correct choice is (a) Arrays Easy EXPLANATION: Each block of the array CONSISTS of a long COUNT VALUE, followed by that many array items. A block with count zero INDICATES the end of the array. Each item is encoded per the array’s item schema.

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