Big Data Interview Questions
Questions Answers Views Company eMail

How Big Data can help increase the revenue of the businesses?

345

How businesses could be benefitted with Big Data?

324

How does A/B testing work?

369

How much data is enough to get valid outcome?

367

Name some Big Data products?

333

Name some of the important tools useful for Big Data analytics?

1 912

What are some of the interesting facts about Big Data?

318

What are the characteristics of Bigdata?

1 910

What are the four features of Big Data?

354

What are the responsibilities of a data analyst?

364

What do you know about collaborative filtering?

384

What do you mean by logistic regression?

351

What is Big Data Analytics?

363

What is IBM's simple explanation for Big Data's four critical features?

387

What is the difference between structured data and unstructured data?

1 869


Un-Answered Questions { Big Data }

What are the different composite keys in Cassandra?

53


Explain the features of fully distributed mode?

418


when to choose “internal table” and “external table” in hive?

463


How is 0xdata's h2o different from apache mahout ?

45


What do you mean by metadata in HDFS? Where is it stored in Hadoop?

73






What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?

453


Differentiate between describe and describe extended?

473


Tell me about the execution modes of Apache Pig?

368


What is the difference between mahout and graphlab ?

45


How to compress mapper output in Hadoop?

447


Why hive does not store metadata information in hdfs?

709


While reading data from hbase, from which three places data will be reconciled before returning the value?

175


Why is Data Block size set to 128 MB in Hadoop?

283


On what all basis can you differentiate rdd, dataframe, and dataset?

232


Is a log flume a roller coaster?

64