Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the composite key?

What is node?

Explain the commit log?

Clarify Memtable?

Clarify SSTable?

332

Query language is executed in Cassandra database. Clarify?

140

Why is Cassandra popular? Clarify.

Can Flume can distribute data to multiple destinations?

What is Flume?

112

How can multi-hop agent be set up in Flume?

117

What is Interceptor?

109

Is it possible to leverage real-time analysis of the big data collected by Flume directly? If yes, then explain how?

146

Explain the core components of Flume?

109

Explain about the different channel types in Flume. Which channel type is faster?

171

Apache Flume support third-party plugins also?

Un-Answered Questions { Big Data }

Define a sequence file in hadoop?

538

Explain what happens in textinformat ?

748

What do you mean by Schema Resolution?

How does NameNode tackle DataNode failures?

1167

Where can I get sample data to try?

Mention what does the shell commands “capture” and “consistency” determines?

What are the port numbers of namenode, job tracker and task tracker?

712

What is the difference between Apache Hadoop and RDBMS?

807

Is spark a programming language?

292

Explain slot in Hadoop Map-Reduce v1?

684

What is Internal and External table in Hive?

714

What are tools available to send the streaming data to hdfs?

What is the Internal Architecture of the Cassandra Database ?

What is spark tool in big data?

282

What are shared variables in spark?

304

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