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

652

Explain the general mapreduce algorithm

651

What is cassandra database used for?

List out some key features of apache cassandra?

What do you understand by bloom filter in cassandra?

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?

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 }

Explain key features of Spark

309

How the read operation is performed on Cassandra node ?

102

Explain Spark streaming?

274

What is unstructured data?

668

What is the meaning of speculative execution in Hadoop? Why is it important?

1059

Explain a common use case for Flume?

How can I restart namenode?

722

How big data analysis helps businesses increase their revenue?

673

What is bucketing ?

683

How can a user get the information on the version of CQLSH?

Compare Hadoop and RDBMS?

410

What are the relational operators available related to Grouping and joining in Pig language?

482

What is the use of tracing cqlsh command in Cassandra?

How do I get apache spark on windows 10?

296

How many maximum jvm can run on a slave node?

686

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