Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the Avro SASL Profile?

How to use Avro?

Name some Complex types of Data types, Avro Supports?

What do you mean by Schema Resolution?

Explain Avro Schemas?

What Avro offers?

Explain some Advantages of Avro?

118

Explain some Disadvantages of Avro?

What are best features of Apache Avro?

State some key Points about Apache Avro?

Who are Intended Audience to learn Avro?

What are Prerequisites to learn Avro?

Name some Primitive types of Data types, Avro Supports?

What do you mean by Schema Declaration?

What is Apache Kafka?

329

Un-Answered Questions { Big Data }

Define Node?

164

Why do the nodes are removed and added frequently in a hadoop cluster?

245

What are the side data distribution techniques?

267

Give examples of the SerDe classes which hive uses to Serialize and Deserialize data?

438

What is Apache Hadoop YARN?

1181

Why we need impala hadoop?

What is sparkContext?

205

How to restart NameNode or all the daemons in Hadoop HDFS?

Which database is used in hadoop?

230

What are the different execution mode available in Pig?

733

Big Data Engineer Can you explain what REST is?

Mention the difference between hbase and relational database?

109

Explain what happens in textinformat ?

491

Is multiline comment supported in Hive Script ?

429

When Namenode is down what happens to job tracker?

455

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