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 the future of Big Data trend?

313

Where does Big Data come from?

300

What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

320

How big data analysis helps businesses increase their revenue?

376

What are the sources generating big data?

271

What do the four V's of Big Data denote?

273

What is Big Data?

300

Why do we need a new framework for handling big data?

297

What is the difference between big data and cloud computing?

335

What is MapReduce?

1 1113

What MapReduce framework consists of?

763

Can we submit the mapreduce job from slave node?

840

How can we control particular key should go in a specific reducer?

638

How can you add the arbitrary key-value pairs in your mapper?

986

What is Reduce only jobs?

1 961

Un-Answered Questions { Big Data }

While processing data from hdfs, does it execute code near data?

What is winutils hadoop?

237

What are the advantages of using mapreduce with hadoop?

340

explain Metadata in Namenode?

599

Name the ports Cassandra uses?

Explain how can you check whether namenode is working beside using the jps command?

246

What is the advantage of hadoop over java serialization?

If you run hive as a server, what are the available mechanism for connecting it from application?

581

Why is spark good?

195

Mention what are the main components of cassandra data model?

How can I restart namenode?

426

What is Bucketing and Clustering in Hive?

429

Explain Clustering in Hive?

414

How to delete the table with the HBase shell?

106

What is the latest version of spark?

191

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