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 are the key features of any nosql database?

What is column store db?

Differentiate between drop and truncate in cqlsh

What is a yaml file in cassandra?

What is anti-entropy and how is it associated with merkel tree?

How is jmx useful in cassandra?

How does cassandra perform read operation?

What are the different types of nosql databases?

100

Explain the term memtable?

How does cassandra perform read operation? Explain

What is anti-entropy?

What are the different types of partitioners in cassandra? Explain.

What is a row in cassandra?

Explain the term sstables?

How is anti-entropy associated with merkel tree?

Un-Answered Questions { Big Data }

What are the three steps involved in big data?

570

What happens when two clients try to access the same file in the hdfs?

506

Can you explain apache ambari?

What are the different methods to run Spark over Apache Hadoop?

772

What is the default extension of the files produced from a sqoop import using the –compress parameter?

What are components of Cassandra Data Model?

List out the difference between textFile and wholeTextFile in Apache Spark?

420

What are the common faults of the developer while using Apache Spark?

309

What is standalone mode in spark?

362

Explain a common use case for Flume?

What is “serde” in “hive”?

765

Are spark dataframes distributed?

338

What do you mean by replication strategy?

Explain what is the purpose of RecordReader in Hadoop?

795

Differentiate between piglatin and hiveql?

619

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