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

Big Data Interview Questions

Questions Answers Views Company eMail

Are spark dataframes distributed?

314

How do I download spark?

275

Why spark is faster than hadoop?

248

What is spark tool?

265

Who is the founder of spark?

312

What is spark flatmap?

307

What is spark slang for?

282

Is spark a mapreduce?

304

What is graphx spark?

292

How spark works on hadoop?

342

What is spark vs hadoop?

283

Who invented the first spark plug?

236

What happens when you submit spark job?

262

Where is apache spark used?

279

What is parallelize in spark?

285

Un-Answered Questions { Big Data }

What is HBase Shell?

172

Explain the hdfs architecture and list the various hdfs daemons in hdfs cluster?

What does the command mapred.job.tracker do?

787

Explain what you understand by speculative execution

613

When to avoid secondary indexes?

What is the utility of using Writable Comparable Custom Class in Map Reduce code?

997

What is Cassandra Data Modelling ?

What is an Agent?

How will you merge the contents of two or more relations and divide a single relation into two or more relations?

938

What are the features of Fully-Distributed mode?

495

What are the two ways to create rdd in spark?

324

What does the mapred.job.tracker command do?

434

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

472

Does spark need yarn?

246

What is the advantage of cassandra?

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