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?

138

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

116

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?

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?

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 }

List some commonly used Machine Learning Algorithm Apache Spark?

262

Explain the uses of PIG?

954

Is spark streaming real time?

267

Do I need to know scala to learn spark?

340

List the files associated with metadata in hdfs?

How to compress mapper output in Hadoop?

635

What is the difference between hbase and hdfs?

165

if you run Hive as a server?

871

List few benefits of spark over map reduce?

274

What is the advantage of cassandra?

What are the general Prerequisites to learn HCatalog?

What is a row in cassandra? And what are the different elements of it?

What is Sqoop Validation?

What is flatmap in apache spark?

304

How is rdd fault?

262

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