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Big Data Interview Questions
Questions Answers Views Company eMail

Give a list of Collection data type in Cassandra?

 51

Describe JMX?

 53

How can a user create a Keyspace in Cassandra?

 62

Define primary key in Apache Cassandra?

 59

Define Thrift in Apache Cassandra?

 49

Name different types of the data model?

 69

Give the difference between Column and SuperColumn?

 86

Define durable writes?

 44

Define Compaction?

 51

Tell the purpose of Bloom Filter in Cassandra?

 102

Name different types of primary keys in Cassandra?

 52

Define the term Column Families?

 63

What is the replication factor?

 56

Clarify the NoSQL Database?

 54

Can you explain the term, Cassandra?

 67

Un-Answered Questions { Big Data }

Explain how do ‘map’ and ‘reduce’ work?

345

What do you mean by metadata in Hadoop?

30

What is the use of combiners in the hadoop framework?

364

Name job control options specified by mapreduce.

427

What is spark table?

158




What does rdd mean?

204

what does the shell commands “Capture” and “Consistency” determines?

80

Does Cassandra support ACID transactions?

82

What are the different types of UDF's in Java supported by Apache Pig?

615

When should be hadoop archive create?

248

What is Flume event?

57

What stored in HDFS?

622

Write a Hive UDF that returns a sentiment score. For example, if good = 1, bad = -1, and average = 0, then a review of a restaurant states "Good food, bad service," your score might be 1 - 1 = 0.

408

What do you understand by the term snitch in cassandra? Give some example.

48

What is pipelined rdd?

176

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