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 table in hbase?

112

Which method is used to access HFile directly without using HBase?

146

Which type of data HBase can store?

115

How to delete the table with the HBase shell?

106

What services run after running hbase job?

129

What is the use of truncate command?

127

Explain MemStore?

128

What is the best practice on deciding the number of column families for HBase table?

127

Which command do we use to run HBase Shell?

148

Define compaction in HBase?

124

Difference between hbase and rdbms?

123

What do you understand by compaction?

103

Does HBase support SQL like syntax?

119

What is the use of tools command?

129

Which command do we use to show the version?

122

Un-Answered Questions { Big Data }

In Hadoop, which file controls reporting in Hadoop?

494

Explain Catalyst framework?

240

How does hdfs give great throughput?

Enlist the several components in Kafka?

385

What are the modules that constitute the Apache Hadoop 2.0 framework?

694

Virtual Box & Ubuntu Installation?

625

Does cassandra support acid tractions?

What causes sparks?

188

What is NoSQL database?

Explain Alter Table Statement in HCatalog?

What is the model of a ZooKeeper cluster?

what happens when namenode goes down during file read operation in hadoop?

322

How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?

484

We have already sql then why nosql?

234

List of some best tools that can be useful for data-analysis?

241

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