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?

268

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

302

List out the ways of creating RDD in Apache Spark?

270

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

301

What is flatmap in apache spark?

313

What is the standalone mode in spark cluster?

248

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

297

In what ways sparksession different from sparkcontext?

331

Explain fold() operation in spark?

298

Define sparkcontext in apache spark?

302

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

290

What is map in apache spark?

260

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

257

Define various running modes of apache spark?

272

What are the ways to run spark over hadoop?

294

Un-Answered Questions { Big Data }

Difference between groupByKey vs reduceByKey in Apache Spark?

452

Explain totuple function?

571

When should you use spark cache?

269

What is the bag?

496

What does rdd mean?

298

How many maximum jvm can run on a slave node?

649

What are the responsibilities of a data analyst?

569

What sorts of actions does the job tracker process perform?

386

What is skew data in hive?

659

List the files associated with metadata in hdfs?

What ensures load balancing of the server in Kafka?

628

What is a Hive variable? What for we use it?

761

How does hdfs ensure information integrity of data blocks squares kept in hdfs?

What is spark code?

304

What is the use of context object?

443

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