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?

301

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

329

List out the ways of creating RDD in Apache Spark?

303

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

326

What is flatmap in apache spark?

340

What is the standalone mode in spark cluster?

283

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

320

In what ways sparksession different from sparkcontext?

360

Explain fold() operation in spark?

323

Define sparkcontext in apache spark?

325

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

320

What is map in apache spark?

287

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

284

Define various running modes of apache spark?

305

What are the ways to run spark over hadoop?

328

Un-Answered Questions { Big Data }

What will apache driver do?

when to choose “internal table” and “external table” in hive?

728

Use of Help command in Hadoop sqoop?

What is flatmap in apache spark?

340

Explain the benefits of block transfer?

865

What is difference between Column and Super Column?

Can you define oozie?

574

What is data ingestion pipeline?

332

What is the block size in Hadoop?

479

Use of export command in hadoop sqoop?

What are Pig Execution modes?

672

Would you be able to change the block size of hdfs files?

Explain the operation transformation and action in Apache Spark RDD?

348

What is aws spark?

293

What is DStream in Apache Spark Streaming?

331

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