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

Big Data Interview Questions

Questions Answers Views Company eMail

Name some independent extensions that contribute to the Ambari codebase?

How can we see all the hosts that are available in Ambari?

Explain future growth of Apache Ambari?

Can we use Ambari Python Client to use of Ambari API’s?

Which command is used to list all the tables in a database or list all the columns in a table?

Explain HCatLoader APIs?

Explain HCatInputFormat and HCatOutputFormat?

Explain HCatStorer APIs?

Explain HCatWriter?

Name all HCatalog Features?

State syntax of the command to drop an index?

Name Applications and Use Cases of HCatalog?

Which command is used to SHOW PARTITIONS lists in HCatalog?

Explain HCatReader?

What is the role of data transfer API in HCatalog?

Un-Answered Questions { Big Data }

Is kafka a message queue?

559

Define primary key in Apache Cassandra?

Why MapReduce uses the key-value pair to process the data?

633

Explain sum(), max(), min() operation in Apache Spark?

301

How to use combiner in hadoop ?

445

What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

722

What is Bucketing and Clustering in Hive?

688

What is data processing in big data?

687

What is the unit of data that flows through a flume agent?

374

Explain the terms Spark Partitions and Partitioners?

303

What are some of the apache pig use cases you can think of?

496

What do you mean by consistency in Cassandra?

186

Explain the Scope operators used in hbase?

182

How can I install Cloudera VM in my system?

958

What is the difference between leader and follower in kafka?

559

For More Un-Answered { Big Data } Questions Click Here