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 spark context spark session?

284

What is difference between spark and hadoop?

258

Does spark use hive?

265

What is spark shuffle?

270

What causes breaker to spark?

302

Do I need to know scala to learn spark?

362

Does spark need hdfs?

291

How are sparks created?

293

Why do we use spark?

329

What is spark good for?

347

Is apache spark a programming language?

306

How do I download adobe spark?

372

How does spark program work?

276

Is spark a programming language?

293

Which one is better hadoop or spark?

313

Un-Answered Questions { Big Data }

What do you mean by the high availability of a namenode?

Explain the process to trigger automatic clean-up in Spark to manage accumulated metadata.

308

What Mapper does?

987

What happens to a namenode, when job tracker is down?

753

What is a 'block' in HDFS?

976

What happens if you alter the block size of a column family on an already occupied database?

218

What is the usage of "cqlsh-version" command?

148

Explain Drop View Statement along with syntax?

What is a "map" in Hadoop?

796

How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

652

what do you mean by data processing?

497

When to use Hive?

702

Which object can be used to get the progress of a particular job

472

Can impala be used for complex event processing?

169

What is a hive in big data?

651

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