Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

What is hadoop technology?

311

What is a pipelinedrdd?

439

What is flatmap?

316

What is pipelined rdd?

257

What is the difference between rdd and dataframe?

341

What is flatmap in angular?

333

Which storage level does the cache () function use?

300

What is difference between coalesce and repartition?

363

What is sc parallelize?

354

What is sc textfile?

337

What is difference between map and flatmap?

298

What is difference between map and flatmap in spark?

322

What is the use of flatmap in spark?

287

Does kafka use hdfs?

504

Is kafka big data?

483

Un-Answered Questions { Hadoop }

Doesn’t google have its very own version of dfs?

485

What is python spark?

334

What is cluster mode in spark?

319

What can you do with Kafka?

557

What is MapReduce in Hadoop?

649

What is the NameNode port number?

401

What is a spark standalone cluster?

248

What is Reducer in Hadoop?

555

Is there a date data type in Hive?

751

What is the use of tools command?

198

What a task tracker is in hadoop?

441

What is spark code?

315

How can we see all the hosts that are available in Ambari?

List out the other components of cassandra?

Is there an update statement?

162

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