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 is difference between hive and hdfs?

386

What is skew data in hive?

430

Is kafka an etl tool?

259

What language is apache kafka written in?

282

What is zookeeper server?

What is the difference between map and reduce?

350

What is optimal size of a file for distributed cache?

374

What can skew the mean?

187

What is vectorized query execution?

217

What is map side join?

187

What does dag stand for?

201

What is data ingestion pipeline?

186

What is the difference between reducebykey and groupbykey?

201

What is data skew and how do you fix it?

213

Is databricks a database?

215

Un-Answered Questions { Big Data }

Why do we need hive?

414

When should you use a reducer?

359

What is the usefulness of the options file in sqoop?

What is mllib?

196

What is spark certification?

195

Explain Usage of Hive?

435

Define the Use of Pig?

294

How are joins performed in impala?

What is Cassandra?

Differentiate between nas and hdfs

220

Is spark faster than hadoop?

200

what is Memtable in Cassandra?

What mode(s) can hadoop code be run in?

248

What are the window functions provided by apache tajo?

What is ZooKeeper Client?

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