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?

260

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

294

List out the ways of creating RDD in Apache Spark?

264

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

291

What is flatmap in apache spark?

304

What is the standalone mode in spark cluster?

239

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

286

In what ways sparksession different from sparkcontext?

319

Explain fold() operation in spark?

290

Define sparkcontext in apache spark?

295

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

285

What is map in apache spark?

254

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

249

Define various running modes of apache spark?

265

What are the ways to run spark over hadoop?

287

Un-Answered Questions { Big Data }

What are the different features of Cassandra?

What is full form of rdd?

372

Is it possible to create multiple table in hive for same data?

640

Explain the core methods of the reducer?

474

Define Apache Pig?

583

What is the main difference between Kafka and Flume?

634

What all tasks you can perform for managing host using Ambari host tab?

Write the command to copy a file from linux to hdfs?

What is the difference between kafka and flume?

what are views in Hive?

711

Who is a 'user' in HDFS?

843

What is Partition table in Hive?

669

Why do we need a password-less ssh in fully distributed environment?

674

What is node?

How will you read and write HDFS files in Hive?

652

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