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 task granularity

703

Explain the general mapreduce algorithm

706

What is cassandra database used for?

List out some key features of apache cassandra?

What do you understand by bloom filter in cassandra?

103

What is the relationship between apache hadoop, hbase, hive and cassandra?

What do you understand by data center in cassandra?

What do you understand by column family?

100

What do you understand by composite type?

What are "coordinator nodes" in cassandra?

What do you understand by nosql cap theorem?

What do you understand by cql?

What do you understand by mem-table in cassandra?

What is the difference between cassandra's schema and rdbms schema?

What are the befefits of nosql over relational database?

Un-Answered Questions { Big Data }

How would you diagnose or do exception handling in the pig?

1012

Explain what is difference between an input split and hdfs block?

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

Give some points of pig for hadoop ?

590

How apache impala works with cdh?

What problem does Apache Flume solve?

101

If you run hive as a server, what are the available mechanism for connecting it from application?

935

Where is Mapper output stored?

913

How are large objects handled in Sqoop?

What is Sqoop Import? Explain its purpose?

Why slaves limited to 4000 in hadoop version 1?

542

How you can contact your client everyday ?

1012

What is the purpose of dfsadmin tool?

1304

What is ZooKeeper?

What is column store db?

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