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

705

Explain the general mapreduce algorithm

709

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 }

List out some key features of apache cassandra?

Name some Big Data products?

627

How will format the HDFS ?

1133

What are the parameters of mappers and reducers?

539

What is prepare() method in Cassandra?

Explain the concept of Tunable Consistency in Cassandra?

204

Why should we use presto?

What is metadata storage service in bookkeeper?

What are the steps involved in MapReduce framework?

1063

Highlight the difference between group and Cogroup operators in Pig?

912

Compare RabbitMQ vs Apache Kafka?

613

What do you understand from Node redundancy and is it exist in hadoop cluster?

1282

Mention what are the type of database does Hive support ?

758

Define column families?

178

Explain how HCatalog enables right tool for right Job?

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