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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain different transformation on DStream?

284

What are Paired RDD?

315

Name some sources from where Spark streaming component can process real-time data?

291

What is meant by in-memory processing in Spark?

304

Explain what are the various types of Transformation on DStream?

282

Define Partition in Apache Spark?

312

How many types of Transformation are there?

314

How you can remove the element with a critical present in any other Rdd is Apache spark?

300

What is Sparse Vector?

339

Is it possible to run Spark and Mesos along with Hadoop?

275

What is DataFrames?

368

Discuss writeahead logging in Apache Spark Streaming?

324

How can data transfer be minimized when working with Apache Spark?

295

What do you mean by Speculative execution in Apache Spark?

299

Explain about the different cluster managers in Apache Spark

327

Un-Answered Questions { Big Data }

Ideally what should be replication factor in a Hadoop cluster?

518

Explain how can you change a column data type in Hive?

697

What is difference between client and cluster mode in spark?

383

Which database is used in hadoop?

481

What are the major differences between Hadoop 2 and Hadoop 3?

480

What is the difference between an hdfs block and input split?

What are consumers in kafka?

541

What according to you is a common mistake apache spark developers make when using spark ?

273

Replication causes data redundancy and consume a lot of space, then why is it pursued in hdfs?

what is storage and compute nodes?

736

What are the responsibilities of a data analyst?

615

Who created spark?

287

What is sc parallelize in spark?

301

Do we need to give a password, even if the key is added in ssh?

727

Where are rdd stored?

289

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