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 function of Cluster.Builder class in Cassandra?

139

What is SSTable? How is it different from other relational tables?

118

How does Cassandra write?

Explain the concept of bloom filter?

Explain the concept of Tunable Consistency in Cassandra?

200

How to write a query in Cassandra?

104

What is the significance of cluster class in Cassandra?

Explain how cassandra writes changed data into commitlog?

What is cluster in Cassandra data model?

What are the key points of data model of Cassandra?

What is Column Family in Cassandra?

100

Does cassandra support acid tractions?

Define the management tools in Cassandra?

State the differences between a node, a cluster and datacenter in Cassandra?

List the benefits of using Cassandra.

Un-Answered Questions { Big Data }

Define the term thrift

134

What are combiners and its purpose?

931

what is the purpose of using hadoop for big data analytics?

535

Is spark and hadoop same?

266

Why apache kafka?

605

Do we need scala for spark?

303

What is the default extension of the files produced from a sqoop import using the –compress parameter?

Which are the methods to create rdd in spark?

293

What happens to existing data in my cluster when I add new nodes?

229

When should be hadoop archive create?

428

when you can use Alter keyspace?

122

What are the complicated steps in Flume configurations?

144

Mention how many operational commands in hbase?

288

Which query language is used in Cassandra database?

104

How would you import data from MYSQL into HDFS ?

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