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 are the core components that are utilized in hadoop?

566

Can I use impala to query data already loaded into hive and hbase?

Explain the basic difference between traditional rdbms and hadoop?

699

How can you connect an application, if you run hive as a server?

756

Difference Between Apache Sqoop vs Flume?

What is the use of expand cqlsh command in Cassandra?

Define the Use of MapReduce?

726

What are file permissions in HDFS? how does HDFS check permissions for files/directory?

how is a file of the size 1 GB uncompressed

962

What is the use of BloomMapFile?

719

What do you mean by Schema Resolution?

Mention what is the use of Context Object?

757

How Facebook Uses Hadoop, Hive and Hbase ?

766

Can we change the file cached by distributed cache

478

On what all basis can you differentiate rdd, dataframe, and dataset?

327

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