What is big data?A. A collection of large, complex data sets, including structured and unstructured data, that cannot be analyzed using traditional database methods and tools. B. Processes and manages algorithms across many machines in a computing environment. C. Focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization. D. Extracts knowledge from data by performing statistical analysis, data mining, and advanced analytics on big data to identify trends, market changes, and other relevant information.