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

Big Data Interview Questions

Questions Answers Views Company eMail

Why was spark created?

273

Are sparks dangerous?

345

What are spark stages?

302

How do I get better performance with spark?

297

When was spark introduced?

334

What exactly is spark?

272

What is spark repartition?

313

What is spark etl?

296

Does spark replace hadoop?

284

Is cache an action in spark?

302

Why is spark so fast?

275

Is apache spark a database?

316

Do I need to learn scala for spark?

315

Is spark based on hadoop?

312

What is amazon spark?

269

Un-Answered Questions { Big Data }

What is a checkpoint?

970

What is spark table?

255

Name the management tools in Cassandra?

Mention what are the most common input formats defined in hadoop?

442

Can you define rdd lineage?

278

What is jmx? And how is it useful in cassandra?

What is the replication factor?

What do you understand by Data Replication in Cassandra?

What is the use of Bloom Filter in Cassandra?

125

Explain data flow in Flume?

What is the relationship between hdfs, hbase, pig, hive and azkaban?

510

Hdfs stores data using commodity hardware which has higher chances of failures. So, how hdfs ensures the fault tolerance capability of the system?

Where does spark plug get power?

277

What is partitioning in MapReduce?

717

What is an identity mapper and identity reducer?

605

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