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KEY TERMS AND DEFINITIONS
Big Data: It is a large volume of data which is beyond the storage capacity and processing power of traditional systems.
Big Data Security: It is to achieve the confidentiality, authenticity and integrity of the Big data collected, stored and processed.
Hadoop: It is the combination of HDFS and MapReduce.
Hadoop Distributed File System (HDFS): It is used to store data in distributed manner.
MapReduce: It is a process of splitting and executing queries across multiple nodes and combining the results from individual nodes to generate final output.