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Big Data Interview Questions
Questions Answers Views Company eMail

Elaborate on Identifiers?

 98

What are keywords?

 54

Explain the fundamental difference between Cassandra and Hadoop?

 125

There seem to be certain management tools in Cassandra. What are they?

 94

Specify Cassandra’s importance on Facebook?

 128

Tunable consistency is supported by Cassandra. Explain.

 55

Are Cassandra, Hadoop, Hbase and Cassandra are the same in nature? Specify.

 43

Explain the term Cluster?

 57

Explain what is logging in Cassandra?

 50

What is HDFS?

 26

Why HDFS?

 24

How to Delete file from HDFS?

 43

How to keep files in HDFS?

 40

How is NFS different from HDFS?

 34

Why is block size large in Hadoop?

 42

Un-Answered Questions { Big Data }

Explain hbasestorage function?

311

What is the need for custom serde?

443

Define Nodetool Utility?

66

What are the main benefits of using cassandra?

49

Compare hbase vs hdfs?

26




How do you process big data with spark?

177

What main configuration parameters are specified in mapreduce?

380

What is FlumeNG?

65

Explain some important features of hadoop?

251

Explain distnct(),union(),intersection() and substract() transformation in Spark?

195

What are the differences between hadoop 1 and hadoop 2?

237

On what all basis can you differentiate rdd, dataframe, and dataset?

212

What is the function of ApplicationMaster?

658

How can we launch a tajo cluster?

5

Is it possible to provide multiple inputs to hadoop? If yes, explain.

393

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