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?

404

Explain some important features of hadoop?

421

Why do we need hadoop for big data analytics?

409

What are the important modes of hadoop?

501

Can you explain the common input formats in hadoop?

479

Explain how are file systems checked in hdfs?

What are the different catalog tables in hbase?

162

Define big data analytics?

473

Define data lake?

512

Explain the core methods of a reducer?

455

What are the benefits of big data?

465

Explain the characteristics of big data?

449

Explain ingestion in big data?

583

Define fsck?

484

Define taskinstance?

472

Un-Answered Questions { Big Data }

What are use cases of Apache Flume?

Why replication is required in Kafka?

480

Can you explain commodity hardware?

381

What do you mean by data center in Cassandra?

What is the use of rdd in spark?

262

How to handle bad records during parsing?

429

What do you mean by metadata in Hadoop?

What is node in Cassandra?

What Mapper does?

941

What are the data manipulation commands of hbase?

194

Explain how you can reduce churn in isr? When does broker leave the isr?

701

What is the purpose of Sqoop List Tables?

What is the biggest shortcoming of Spark?

300

What is a local repository and when it is useful while using ambari environment?

what is next step after mapper or maptask?

388

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