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

Big Data Interview Questions

Questions Answers Views Company eMail

List some commonly used Machine Learning Algorithm Apache Spark?

291

What is the command to start and stop the Spark in an interactive shell?

313

List out the ways of creating RDD in Apache Spark?

289

What are the various advantages of DataFrame over RDD in Apache Spark?

307

What is flatmap in apache spark?

326

What is the standalone mode in spark cluster?

268

Explain apache spark streaming? How is the processing of streaming data achieved in apache spark?

306

In what ways sparksession different from sparkcontext?

339

Explain fold() operation in spark?

309

Define sparkcontext in apache spark?

313

List out the various advantages of dataframe over rdd in apache spark?

305

What is map in apache spark?

277

Write the command to start and stop the spark in an interactive shell?

274

Define various running modes of apache spark?

282

What are the ways to run spark over hadoop?

312

Un-Answered Questions { Big Data }

what are the key components of hbase?

173

What are the limitations of Spark?

294

What is the communication channel between client and namenode/datanode?

1734

What happened after creating a table in hive ?

731

What is Identity reducer?

522

Is the keyword ‘FUNCTIONAL’ a User Defined Function (UDF)?

548

What is the use of cassandra cql collection?

Explain how Hadoop cluster hardware planning and provisioning is done?

555

What is the way of creating Avro Schemas?

What is the difference between store and dumps commands?

670

Explain what happens in textinformat ?

748

Define Partitions?

319

Explain what is Cassandra-Cqlsh?

How can we look for the namenode in the browser?

717

Why do we use apache kafka?

485

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