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 graph db?

How is a keyspace created in cassandra?

133

What is cqlsh? And why is it used?

What is document store db? Explain with an example.

What is a nosql database?

What is python stress test in cassandra?

What are partitions in cassandra?

Why is jconsole used?

106

what do you mean by compaction?

What is key-value store db?

What are the different types of primary key?

What is a primary key? And what are it’s different types?

Differentiate between the various types of primary keys in cassandra.

What are the different types of partitioners in cassandra?

What is a row in cassandra? And what are the different elements of it?

Un-Answered Questions { Big Data }

Why do we need buckets?

772

How many Daemon processes run on a Hadoop system?

1136

Explain keys() operation in Apache spark?

352

What are the independent extensions that are contributed to the ambari codebase?

What are the port numbers of job tracker?

563

What problem does Apache Pig solve?

845

What is shuffle in spark?

419

Is it necessary to write a mapreduce job in java?

671

What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

683

What are the side data distribution techniques?

534

How is RDD in Spark different from Distributed Storage Management?

403

What are producer-consumer queues?

How to specify more than one path for storage in Hadoop?

566

what does /*streamtable(table_name)*/ do?

818

What are the main benefits of using cassandra?

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