It has been seen many times that anywhere on web when big data is mentioned, the conversation is immediately changed to hadoop.

What is hadoop?
It has map reduce and hadoop file system in its core and it is created to take care of huge data across a huge no of nodes. Hadoop is made for large files, not for a large number of small files. So it won’t be useful if you have a great number of 50kb documents.

What is big data?
Big data is that large amount of data that is been rapidly increasing from many sources such as location data, supply chains, operations and social media. This data can be semi structured, unstructured and structured.

Therefore as hadoop is the famous these days, but the vendors which are in the market from a long time are trying to handle big data. Both the things are gradually the need of the hour. So to catch these opportunity you can enrol yourself with our site for big data training and can become an expert in this.

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Big Data Hadoop Interview Questions and Answers
http://www.qatestingtrainings.com/big-data-hadoop-interview-questions/