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 impala architecture components?

State some impala hadoop benefits?

How apache impala works with cdh?

What are the names of daemons in impala?

How to call impala built-in functions?

What are the best features of impala?

Compare hive, hbase, and impala?

What are impala built-in functions?

Does impala support generic jdbc?

How to control access to data in impala?

Mention the best features of Apache Sqoop?

What is Sqoop?

What is the Use of Sqoop?

How many default mappers in sqoop ?

Write a quert to import a file in sqoop?

Un-Answered Questions { Big Data }

What is structured data?

374

What are Replication Tool and its types?

326

Can there be no Reducer?

575

How to compress mapper output in Hadoop?

384

what needs to be taken care while adding a Column?

What is streaming in Hadoop?

238

Illustrate a simple example of the working of MapReduce.

380

What is version-id mismatch error in hadoop?

743

What is difference between flume and sqoop?

119

How is streaming implemented in spark?

1755

Discuss the various running mode of Apache Spark?

200

What is the model of a ZooKeeper cluster?

How does an hadoop application look like or their basic components?

413

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

What is partitioner and its usage?

385

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