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 needs to be taken care while adding a Column?

how Cassandra writes data?

how Cassandra writes changed data into commitlog?

what is Cassandra- CQL collections?

101

what is Bloom Filter is used for in Cassandra?

107

when you can use Alter keyspace?

118

what is SStable consist of?

How to exit the vi editor?

690

Does the hdfs client decide the input split or namenode?

616

Which files are used by the startup and shutdown commands?

654

What is cloudera and why it is used?

755

What is a spill factor with respect to the ram?

809

Can we have multiple entries in the master files?

649

On which port does ssh work?

688

Do we need to give a password, even if the key is added in ssh?

679

Un-Answered Questions { Big Data }

What is the function of ApplicationMaster?

905

What are features of apache spark?

306

How can you avoid importing tables one-by-one when importing a large number of tables from a database?

What are the Data types in Pig?

867

What is hive metastore?

671

How to compress mapper output in Hadoop?

629

Explain the characteristics of big data?

442

What are the different commands used to startup and shutdown Hadoop daemons?

478

Mention some important features of spm in cassandra?

103

What is hadoop technology?

280

How to optimize Hadoop MapReduce Job?

596

What do you understand by Thrift?

What is pre-requisites for contributing to apache mahout ?

What is a dstream in apache spark?

2019

Explain what is a Hive variable. What do we use it for?

668

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