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 accumulator in spark?

511

What is executor in spark?

327

Does spark work with python 3?

313

What is number of executors in spark?

306

Is hadoop required for spark?

310

How do you set up a spark?

295

What does apache spark do?

338

What is lambda in spark?

321

What is pyarrow?

425

Is dataframe immutable?

492

What is difference between dataset and dataframe?

410

What is hadoop technology?

319

What is a pipelinedrdd?

450

What is flatmap?

326

What is pipelined rdd?

269

Un-Answered Questions { Big Data }

What does dag stand for?

311

What is the use of mysql connector?

Explain HCatReader?

What is zookeeper in hadoop?

695

What is the difference between MapReduce engine and HDFS cluster?

108

What is having clause in apache tajo?

What is the difference between Column and SuperColumn?

154

How do you overwrite replication factor?

503

How is big data analysis helpful in increasing business revenue?

575

What is a Seed Node in Cassandra ?

List out the various advantages of dataframe over rdd in apache spark?

320

Can we load data into a view?

747

What do you know about the speculative execution?

505

What are channel selectors?

1090

Define the consistency levels for read operations in Cassandra?

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