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

Big Data Interview Questions

Questions Answers Views Company eMail

Is kafka open source?

507

Why do we need hdfs?

What are 4 v's of big data?

296

What is dataproc cluster?

302

What is mlib?

293

What is pregel api?

310

Why is rdd immutable?

315

What is difference between spark and scala?

263

What is difference between spark and kafka?

303

What is hadoop spark?

303

What do spark executors manage?

288

How does spark work with python?

298

What is spark executor cores?

293

What is spark in python?

294

Who invented spark?

412

Un-Answered Questions { Big Data }

Explain about the common workflow of a Spark program?

339

Apache Spark is a good fit for which type of machine learning techniques?

282

What is the future of apache spark?

281

How many ways we can create rdd?

280

What are the side effects of not running a secondary name node?

456

what is a datanode?

942

What is the future of Big Data trend?

642

What is log compaction?

536

How Cassandra stores data?

Explain Accumulator in Spark?

435

Who are Intended Audience to learn Avro?

Explain HDFS “Write once Read many” pattern?

Define replication strategy?

what is the Hadoop MapReduce APIs contract for a key and value class?

674

How is recovery achieved in Ambari?

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