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 rudimentary difference between Cassandra and HBase?

Is HDFS utilized in Cassandra? If yes, where?

Elaborate on Identifiers?

121

What are keywords?

Explain the fundamental difference between Cassandra and Hadoop?

224

There seem to be certain management tools in Cassandra. What are they?

122

Specify Cassandra’s importance on Facebook?

153

Tunable consistency is supported by Cassandra. Explain.

Are Cassandra, Hadoop, Hbase and Cassandra are the same in nature? Specify.

Explain the term Cluster?

105

Explain what is logging in Cassandra?

What is HDFS?

Why HDFS?

How to Delete file from HDFS?

How to keep files in HDFS?

Un-Answered Questions { Hadoop }

Explain what is a consumer group?

558

Why do we need sparkcontext?

297

Where can I find impala documentation?

What is the Use of SSH in Hadoop ?

959

What is a RecordReader in Hadoop MapReduce?

676

Where can the metastore database be hosted?

if you run Hive as a server?

921

What is the Physical plan in pig architecture?

531

What is stage and task in spark?

227

How do you organize the pig latin statements?

577

Write a quert to import a file in sqoop?

LOWER or LCASE function in Hive with example?

705

Mention what are the three modes in which hadoop can be run?

419

Explain HDFS “Write once Read many” pattern?

What is the usage of "void close()" method?

For More Un-Answered { Hadoop } Questions Click Here