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?

147

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

124

How does Cassandra write?

Explain the concept of bloom filter?

Explain the concept of Tunable Consistency in Cassandra?

204

How to write a query in Cassandra?

128

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?

102

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 }

What is a "Spark Executor"?

369

Explain HCatLoader and HCatStorer APIs?

What is OutputCommitter?

866

What do you know about sequencefileinputformat?

670

Define Partition and Partitioner in Apache Spark?

318

What is a job tracker?

How can you transfer data from hive to hdfs?

757

What is document store db? Explain with an example.

What is the role of the kafka producer api.

588

How to use hdfs put command for data transfer from flume to hdfs?

What are the configuration files in Hadoop?

582

Explain about the data model operations in HBase?

157

What are common spark ecosystems?

338

Explain about trformations and actions in the context of rdds?

324

What is the module in HDFS?

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