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

What is pair rdd?

299

What is data pipeline in spark?

297

What is a spark rdd?

313

What are the optimization techniques in spark?

282

Can you run spark on windows?

295

Why is spark good?

290

Do I need to know hadoop to learn spark?

340

Is a distributed machine learning framework on top of spark?

333

How does hadoop achieve fault tolerance?

416

Is hadoop still in demand?

447

What is winutils hadoop?

430

Is hive a nosql database?

639

Is hive similar to sql?

729

What is difference between hive and hdfs?

629

What is skew data in hive?

699

Un-Answered Questions { Hadoop }

How can you start a consumer in kafka?

541

how Cassandra writes data?

117

Explain what is kafka?

534

Can you explain sequence file in hadoop?

405

What do shuffling do?

671

What are the differences between PIG and MapReduce?

585

What is Your Cluster size ?

1439

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

468

What are the components of Pig Execution Environment?

568

Explain what is storage and compute nodes?

512

What is a Heartbeat in Hadoop?

560

What is speculative execution in Hadoop?

1051

How to setup the local repository manually?

What is broadcast variable?

363

Define Spark-SQL?

281

For More Un-Answered { Hadoop } Questions Click Here