Answer:
Big data lifecycle consists of four phases: data collection, data storage, data analysis, and knowledge creation. Data collection phase consists of collecting data from different sources. In this phase, it is important to collect data from trusted data sources.
I think business cases analysis is the most useful step because (BCA) provides a best-value analysis that considers not only cost but other quantifiable and non-quantifiable factors supporting an investment decision. This can include but is not limited to, performance, producibility, reliability, maintainability, and supportability enhancements
Explanation:
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