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?

676

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?

666

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 }

what are the different modes of Hive?

738

How do I get apache spark on windows 10?

309

What are the 2 types of table in hive?

723

Mention what is rack awareness?

422

What is yarn in hadoop?

713

Which command is used for the retrieval of the status of daemons running the hadoop cluster?

748

Can you define yarn?

303

What is the difference between Cassandra, Pig and Hive?

1043

What is rdd map?

339

Explain fullOuterJoin() operation in Apache Spark?

443

What is the major difference between local and remote meta-store?

948

Discuss the role of Spark driver in Spark application?

296

What is output format in hadoop?

729

What are the features of apache spark?

306

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

962

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