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?

309

What is flatmap in apache spark?

326

What is the standalone mode in spark cluster?

271

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

306

In what ways sparksession different from sparkcontext?

341

Explain fold() operation in spark?

309

Define sparkcontext in apache spark?

314

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

305

What is map in apache spark?

279

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 }

Does spark use hive?

266

Explain what is the role of the zookeeper?

497

What do you understand by nosql cap theorem?

How do I download and install spark?

297

Explain tomap function?

594

What apache spark is used for?

252

Who should learn Apache Ambari?

List the functions of Spark SQL?

483

What is pig statistics?

530

Is java required for spark?

294

Can you modify the file present in hdfs?

What happens when two clients try to access the same file in the hdfs?

455

Define catalog tables in HBase?

215

If I create a folder in HDFS, will there be metadata created corresponding to the folder? If yes, what will be the size of metadata created for a directory?

What is a combiner and where you should use it?

663

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