Question

Point out the correct statement.

(a) Apache Avro is a framework that allows you to serialize data in a format that has a schema built in

(b) The serialized data is in a compact binary format that doesn’t require proxy objects or code generation

(c) Including schemas with the Avro messages allows any application to deserialize the data

(d) All of the mentioned

This question was posed to me in an interview.

This is a very interesting question from Serialization topic in section Hadoop I/O of Hadoop

Answer 1

Correct answer is (d) All of the mentioned

Easy explanation: Instead of using generated proxy libraries and strong typing, Avro relies heavily on the schemas that are sent along with the serialized data.