Big Data Interview Questions
Questions Answers Views Company eMail

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

68

How businesses could be benefitted with Big Data?

50

How does A/B testing work?

74




How much data is enough to get valid outcome?

75

Name some Big Data products?

53

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

80

What are some of the interesting facts about Big Data?

57

What are the characteristics of Bigdata?

86

What are the four features of Big Data?

53

What are the responsibilities of a data analyst?

78

What do you know about collaborative filtering?

71

What do you mean by logistic regression?

69

What is Big Data Analytics?

71

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

77

What is the difference between structured data and unstructured data?

89







Un-Answered Questions { Big Data }

What happens to zk sessions while the cluster is down?

1


How Spark handles monitoring and logging in Standalone mode?

23


Mention what is the data storage component used by hadoop?

3


what does /*streamtable(table_name)*/ do?

40


What is the key- value pair in MapReduce?

44






What is NoSQL?

261


What are the different Primitive Data Types available in Hive?

22


It can be possible that a Job has 0 reducers?

283


Explain what happens if, during the PUT operation, HDFS block is assigned a replication factor 1 instead of the default value 3?

1


Can ambari manage multiple clusters and why?

1


What are the main hdfs-site.xml properties?

1


What happens when the node running the map task fails before the map output has been sent to the reducer?

13


Does spark use yarn?

5


Give some advantages of Cassandra?

5


What are the configuration parameters in the 'MapReduce' program?

25