Serialization Interview Questions

Serialization interview questions

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Total Questions: 5

1. Apache _______ is a serialization framework that produces data in a compact binary format.

A. Oozie

B. Impala

C. kafka

D. Avro

Correct Answer is : Avro

2. 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

Correct Answer is : All of the mentioned

3. Avro schemas describe the format of the message and are defined using :

A. JSON

B. XML

C. JS

D. All of the mentioned

Correct Answer is : JSON

4. The ____________ 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

Correct Answer is : DatumReader

5. Point out the wrong statement :

A. Java code is used to deserialize the contents of the file into objects

B. Avro allows you to use complex data structures within Hadoop MapReduce jobs

C. The m2e plugin automatically downloads the newly added JAR files and their dependencies

D. None of the mentioned

Correct Answer is : None of the mentioned

Serialization interview questions