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

Big Data Interview Questions

Questions Answers Views Company eMail

What is apache spark for beginners?

265

What is deploy mode in spark?

279

What is pair rdd?

282

What is data pipeline in spark?

276

What is a spark rdd?

292

What are the optimization techniques in spark?

263

Can you run spark on windows?

266

Why is spark good?

264

Do I need to know hadoop to learn spark?

311

Is a distributed machine learning framework on top of spark?

317

How does hadoop achieve fault tolerance?

369

Is hadoop still in demand?

406

What is winutils hadoop?

395

Is hive a nosql database?

594

Is hive similar to sql?

678

Un-Answered Questions { Big Data }

Where sorting is done on mapper node or reducer node in MapReduce?

623

How do you define a partitioning key?

505

What are the various types of shared variable in apache spark?

261

What is a namenode in hadoop?

What is NoSQL?

871

How does impala process join queries for large tables?

Is java required for spark?

269

What are the main properties of hdfs-site.xml file?

What is the problem with the small file in Hadoop?

605

Explain how can spark be connected to apache mesos?

273

Is spark streaming real time?

265

Explain Alter Table Statement in HCatalog?

Explain various Apache Spark ecosystem components. In which scenarios can we use these components?

360

Explain the filter transformation?

297

What is spark architecture?

257

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