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

Is it possible to use Kafka without ZooKeeper?

694

What is the purpose of retention period in Kafka cluster?

701

What are main APIs of Kafka?

680

What is Geo-Replication in Kafka?

914

Explain the concept of Leader and Follower?

647

What do you know about Partition in Kafka?

695

Is Apache Kafka is a distributed streaming platform? if yes, what you can do with it?

674

What ensures load balancing of the server in Kafka?

692

Explain the maximum size of a message that can be received by the Kafka?

758

What is a Consumer Group?

658

If a Replica stays out of the ISR for a long time, what does it signify?

664

Enlist the several components in Kafka?

704

What is Apache Cassandra?

What do you mean by column family in Cassandra?

What is Secondary Index in Cassandra ?

Un-Answered Questions { Hadoop }

Difference between cassandra and mongodb?

What is kafka topic?

580

What is difference between client and cluster mode in spark?

401

Explain the Avro SASL Profile?

Explain briefly what is Action in Apache Spark? How is final result generated using an action?

326

Define speculative execution?

763

Does this lead to security issues?

769

What do you understand from Node redundancy and is it exist in hadoop cluster?

1270

Do I need to know scala to learn spark?

370

Can copper cause a spark?

322

How do I optimize my spark code?

323

When to use hadoop, hbase, hive and pig?

570

How can we kill a topology?

593

Why do we need Hadoop Archives? How is it created?

603

What are the differences between PIG and SQL?

673

For More Un-Answered { Hadoop } Questions Click Here