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

Big Data Interview Questions

Questions Answers Views Company eMail

What are the different components that are available in kafka?

511

How to start zookeeper server?

What is the role of the zookeeper?

Difference between cassandra and mongodb?

What we need to be taken care while adding a column?

100

What is the advantage of cassandra?

When should you use cassandra?

Elaborate on cassandra - cql?

What is the use of “resultset execute” method?

Cassandra is written in which language?

What do you understand by cluster in cassandra?

What do you understand by node in cassandra?

What do you mean by “data centre” in cassandra?

How many types of nosql databases?

Define lzo?

198

Un-Answered Questions { Big Data }

Which components are used for stream flow of data?

578

What is the default block size in hdfs?

1043

What is the main difference between Kafka and Flume?

691

What is the process of creating ambari client?

How to overwrite an existing output file during execution of mapreduce jobs?

1092

How will you explain COGROUP in Pig?

635

Explain Spark Streaming with Socket?

323

What are the components used in Hive query processor?

874

What is spark database?

336

What is setappname spark?

322

State syntax of the command that is used to drop a partition?

Does apache flume support third-party plugins?

What is the use of BloomMapFile?

685

What happens when two clients try to access the same file in the hdfs?

455

Define hadoop archives? What is the command for archiving a group of files in hdfs.

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