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 shuffle service?

315

What is meant by rdd in spark?

246

Why do people use spark?

258

What is apache spark written in?

256

Is apache spark in demand?

250

What apache spark is used for?

234

What port does spark use?

301

How spark is faster than hadoop?

247

How rdd can be created in spark?

250

What is paired rdd in spark?

326

What is application master in spark?

258

Do we need hadoop for spark?

281

What is aggregatebykey spark?

242

What is rdd in spark with example?

263

Is apache spark a framework?

259

Un-Answered Questions { Big Data }

What will you do when NameNode is down?

949

What do you understand by High availability?

What do you know about nlineinputformat?

637

Explain what is the function of mapreduce partitioner?

599

Is there any API available for implementing graphs in Spark?

291

What Platforms Cassandra runs on?

What are configuration files in Hadoop?

473

What does a split do?

579

When to use –target-dir and when to use –warehouse-dir while importing data?

What are the fundamental configurations parameters specified in map reduce?

566

What is a Secondary Namenode? Is it a substitute to the Namenode?

980

What is the advantage of using –password-file rather than -P option while preventing the display of password in the sqoop import statement?

Define standalone mode in hbase?

140

How hbase handles the write failure?

199

What does the ambari shell can be provided?

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