Big Data
Collections of data too large for traditional analysis requiring specialized tools and techniques. Big Data characteristics: volume (size), velocity (speed), variety (types). Big Data analytics reveals patterns and insights.
Real World
Netflix processes over 500 billion events per day from user interactions — play, pause, rewind, search — using Apache Kafka and Spark to recommend what you should watch next.
Exam Focus
Define all three V's with a concrete example for each; listing them without explanation typically halves available marks.
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