Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How to invoke Command Line Interface?

Who is intended audience to learn HCatalog?

Explain HCatalog Create Table CLI along with its syntax?

State some DDL Command with brief Description?

Explain Apache Ambari?

How many layers of Hadoop components are supported by Apache Ambari and what are they?

What are the particular functionalities of Ganglia in Ambari?

What are the particular functionalities of Nagios in Ambari?

Name several advantages of Apache Ambari?

Who should learn Apache Ambari?

Explain Apache Ambari architecture?

Can Ambari manage multiple clusters?

What are the major areas where Ambari helps the system administrators to do?

What are the different types of Ambari repositories?

What is a local repository and when will you use it?

173

Un-Answered Questions { Big Data }

how Cassandra writes changed data into commitlog?

105

How hbase handles the write failure?

208

what is the maximum size of the message does Kafka server can receive?

577

Explain the Reducer's Sort phase?

932

What are the different components of a Hive architecture?

874

Explain nodetool utility.

103

Which query language is used in Cassandra database?

106

What are the log files of the presto server?

What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

934

Explain bloom?

665

Explain the features of pseudo mode?

756

How does hdfs ensure information integrity of data blocks squares kept in hdfs?

Can we change the body of the flume event?

How to add the partition in existing table without the partition table?

754

Explain how can you change a column data type in Hive?

746

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