big data analysis and application subject hw

if you can give me all answer so that answer my question.

give me all answer.make sure the answer is 100% correct

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1. what is classification? Give an example of Classification with source code and explain how it works? 2. what is the meaning of CAP Theorem? When we design a database, if we want to satisfy the requirement of Availability and no single point failure, what we will not satisfy? Explain the reason