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 the two ways to create rdd in spark?

334

Why lazy evaluation is good in spark?

303

What is mllib?

296

What is meant by rdd lazy evaluation?

418

What is the difference between spark and apache spark?

341

What rdd stands for?

337

How does spark rdd work?

334

What is spark databricks?

337

What does apache spark stand for?

302

What are the libraries of spark sql?

308

What is the use of spark sql?

290

What is sparksession and sparkcontext?

283

Should I install spark on all nodes of yarn cluster?

358

How do I get apache spark on windows 10?

309

Where are rdd stored?

311

Un-Answered Questions { Big Data }

How Hadoop is cost-effective?

459

What is Flatten?

600

What is a Heartbeat in Hadoop?

616

Do we need scala for spark?

318

Can you explain sequence file in hadoop?

454

Explain about the partitioning, shuffle and sort phase in MapReduce?

877

Clarify Memtable?

Why do we use spark?

348

What is Spark MLlib?

436

Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?

648

Explain what is big data?

595

What is HDFS ? How it is different from traditional file systems?

958

Different running modes for running Pig?

930

What is an input reader in reference to mapreduce?

665

Which command is used to show the current hbase user?

194

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