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 would you tackle counting words in several text documents?

1068

What are the Basics of Hadoop?

975

Explain the shuffle?

962

How blocks are distributed among all data nodes for a particular chunk of data?

1161

How can I install Cloudera VM in my system?

1018

How we can take Hadoop out of Safe Mode?

IBM,

901

What is Writable & WritableComparable interface?

979

What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?

1118

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1078

What is HDFS block size and what did you chose in your project?

1027

What is HDFS High Availability?

1023

What are different types of filesystem?

1184

how can we change Replication Factor?

1081

What is Hive Present Version ?

1136

What is the purpose of Hive Driver?

1106

Un-Answered Questions { Big Data }

What is key-value store db? Explain with an example.

101

Explain bagtotuple?

635

What are the areas where ambari helps the system administrators to do?

Clarify the difference between nas and hdfs.

Can we say cogroup is a group of more than 1 data set?

781

What are some of the interesting facts about Big Data?

686

What are the main configuration parameters in a MapReduce program?

691

How much memory is required?

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

688

Is it possible to add or delete column families in a working group?

What is NameNode and DataNode in HDFS?

How is security achieved in Hadoop?

570

How will you calculate the number of executors required to do real-time processing using Apache Spark? What factors need to be considered for deciding on the number of nodes for real-time processing?

320

What is compaction in hbase?

175

What is hinted handoff?

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