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 an "Accumulator"?

299

Compare Spark vs Hadoop MapReduce

340

What operations does the "RDD" support?

313

What is a "Spark Driver"?

355

Define functions of SparkCore?

514

What is the function of "MLlib"?

320

Define "PageRank".

307

What is "GraphX" in Spark?

321

Name types of Cluster Managers in Spark.

329

Which file systems does Spark support?

309

What is RDD Lineage?

428

Name commonly-used Spark Ecosystems

329

What is the difference between persist

365

What is Immutable?

352

What operations RDD support?

325

Un-Answered Questions { Big Data }

What are different String functions available in PIG?

631

State the difference between persist() and cache() functions.

335

Explain the wordcount implementation via hadoop framework ?

767

What problems have you faced when you are working on Hadoop code?

1027

What is a RecordReader in Hadoop MapReduce?

729

What is the usage of foreach operation in Pig scripts?

920

What the information segments utilized by hadoop are?

463

Can you explain ingestion in big data?

611

What is Hadoop Map Reduce ?

863

Is apache spark a database?

333

What is the difference between pig and hive?

763

What is the difference between spark and python?

328

How is it completely different from doing machine learning in r or sas?

How is it different from doing machine learning in r or sas?

What is a IdentityMapper and IdentityReducer in MapReduce ?

1007

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