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

Explain the Features of HBase?

206

Which filter accepts the page size as the parameter in HBase?

202

How will you implement joins in HBase?

172

How to create table in hbase?

163

What is the full form of MSLAB?

220

How many compaction types are in HBase?

175

What are the operational commands of HBase?

181

Specify some uses of HBase?

182

What is row in hbase?

166

What is HBase Shell?

168

Explain about the data model operations in HBase?

141

Should the region server be located on all DataNodes?

435

What is Client API?

275

Explain Any 3 Features of HBase?

166

Assume that an HBase table Student is disabled. So, how to access the student table once it is disabled, by using Scan command?

167

Un-Answered Questions { Hadoop }

What is the difference between Cassandra, Pig and Hive?

923

What are the differences between hadoop 1 and hadoop 2?

399

Is it important for Hadoop MapReduce jobs to be written in Java?

784

How would an hadoop administrator deploy various components of hadoop in production?

391

Explain pigstorage function?

542

what are relational operations in pig latin?

819

Is JDBC driver enough to connect sqoop to the databases?

Explain the Reducer's reduce phase?

1015

How to restart Namenode?

704

What is the local repository and where it is useful while using ambari environment?

what is WebDAV in Hadoop?

683

What is a flume agent?

What is the default file format to import data using Apache Sqoop?

What do you use spark for?

341

Is there any point of learning mapreduce, then?

613

For More Un-Answered { Hadoop } Questions Click Here