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 different elements of jconsole?

What are partitions and tokens in cassandra?

Differentiate between static and dynamic cql tables.

What is key-value store db? Explain with an example.

What do you mean by replication factor?

What are durable writes?

What are the parameters used to create keyspace in cassandra?

What are the key differences between cassandra and traditional rdbms?

Explain the term commitlog?

What is graph db? Explain with an example.

What are the features of apache cassandra?

How does gossip protocol help in failure detection?

What are the different elements of row in cassandra?

What are the different database elements of cassandra?

Explain nodetool utility.

Un-Answered Questions { Big Data }

Explain HCatalog Create Table CLI along with its syntax?

Explain InputSplit in Hadoop?

440

Write a Hive UDF that returns a sentiment score. For example, if good = 1, bad = -1, and average = 0, then a review of a restaurant states "Good food, bad service," your score might be 1 - 1 = 0.

643

On what basis name node distribute blocks across the data nodes in HDFS?

Explain bucketing in Hive?

809

Is kafka part of hadoop?

472

What is the use of apache flume?

What is the latest version of ambari that is available in the market and what is the feature that they have added in it?

How is dag created in spark?

273

How does spark rdd work?

304

What is javardd?

285

What are partitions in cassandra?

Mention how many operational commands in hbase?

286

Can you explain sequence file in hadoop?

380

Explain coalesce operation in Apache Spark?

311

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