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

Big Data Interview Questions

Questions Answers Views Company eMail

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

537

How businesses could be benefitted with Big Data?

502

How does A/B testing work?

594

How much data is enough to get valid outcome?

578

Name some Big Data products?

532

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

1 13310

What are some of the interesting facts about Big Data?

582

What are the characteristics of Bigdata?

1 13409

What are the four features of Big Data?

526

What are the responsibilities of a data analyst?

565

What do you know about collaborative filtering?

564

What do you mean by logistic regression?

548

What is Big Data Analytics?

590

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

569

What is the difference between structured data and unstructured data?

1 13341

Un-Answered Questions { Big Data }

What is the difference between map and reduce?

587

What is difference between rdd and dataframe?

332

What do you understand by the term Straggler ?

645

What are the different math functions available in Pig?

484

Whenever we run hive query, new metastore_db is created. Why?

656

What are the names of daemons in impala?

what is WebDAV in Hadoop?

689

What are the common mistakes developers make when running Spark applications?

274

What are the three characteristics of big data according to ibm?

436

Give me the examples of Columnar database ?

534

What happen when namenode enters in safemode in hadoop?

395

Define Simple Strategy?

122

What are the drawbacks of Pig?

557

Explain about the replication and multiplexing selectors in Flume?

100

What is RDD in Apache Spark? How are they computed in Spark? what are the various ways in which it can create?

301

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