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

Big Data Interview Questions

Questions Answers Views Company eMail

Can you explain edge nodes in hadoop?

439

Explain some important features of hadoop?

450

Why do we need hadoop for big data analytics?

436

What are the important modes of hadoop?

538

Can you explain the common input formats in hadoop?

528

Explain how are file systems checked in hdfs?

What are the different catalog tables in hbase?

172

Define big data analytics?

525

Define data lake?

573

Explain the core methods of a reducer?

514

What are the benefits of big data?

524

Explain the characteristics of big data?

503

Explain ingestion in big data?

640

Define fsck?

528

Define taskinstance?

512

Un-Answered Questions { Big Data }

Say what the views are in hive?

672

Define a worker node?

457

What are some alternatives to apache kafka?

562

What is rack awareness in hadoop?

489

What happens to a namenode, when job tracker is down?

755

How is streaming implemented in spark? Explain with examples.

357

Explain the Parquet File format in Apache Spark. When is it the best to choose this?

361

Why is Apache Spark faster than Apache Hadoop?

846

What is Apache Spark Machine learning library?

318

Pig Features ?

617

What happens when we submit a spark job?

314

What are problems with small files and hdfs?

What do you understand by the term snitch in cassandra? Give some example.

Can we install spark on windows?

342

How many instances of tasktracker run on a hadoop cluster?

681

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