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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the overview of hadoop history breifly?

624

Which laptop is best for big data?

537

How does yarn work with spark?

286

What happens when we submit a spark job?

314

Why spark is used?

326

What is spark pipeline?

291

What is azure spark?

295

What are spark jobs?

300

Is it necessary to learn hadoop for spark?

298

Is java required for spark?

293

What is spark technology?

298

Is spark and hadoop same?

266

Can we run spark without hadoop?

291

What is sparkconf spark?

282

What are the features of apache spark?

291

Un-Answered Questions { Big Data }

When to avoid secondary indexes?

Are Namenode and job tracker on the same host?

1457

What is NameNode? How NameNode tackle Datanode failures in Hadoop?

468

Is impala intended to handle real time queries in low-latency applications or is it for ad hoc queries for the purpose of data exploration?

How Spark uses Hadoop?

298

What is heartbeat in hdfs?

646

What is closing out ledgers?

How do you set up a spark?

278

What are producer-consumer queues?

What are the tools that are used in ambari monitoring?

What is big data in dbms?

601

What is Apache Spark Machine learning library?

314

How to keep HDFS cluster balanced?

1098

List the advantage of Parquet files?

301

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

439

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