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AWS Certified Big Data Specialty (Expired on July 1, 2020) Exam Questions

Amazon

AWS Certified Big Data Specialty (Expired on July 1, 2020)

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Question 219:

Allianz Financial Services (AFS) is a banking group offering end-to-end banking and financial solutions in South East Asia through its consumer banking, business banking, Islamic banking, investment finance and stock broking businesses as well as unit trust and asset administration, having served the financial community over the past five decades.
AFS being one the largest banks in the region is planning to improve its segment business by launching a campaign to identify potential customers for various new products launched based on their past behavior? AFS is looking for both batch and real-time predictive analytics
Management drives marketing team to recommend new products to Customers and upscale revenue. Management is setting up forecasts and want to know how much more revenue can be generated by each Marketing team in the region end of every quarter. IT team is providing information about Marketing team, their customers and prospects, previous actuals and other information.
Please advise.Select 2 options.

Answer options:

A.Amazon ML uses logistic regression algorithm through Binary classification to solve the business problem
B.Amazon ML uses multi-nominal logistic regression algorithm through multi-class classification to solve the business problem
C.Amazon ML uses linear regression algorithm through regression model to solve the business problem
D.Amazon ML uses Area Under the (Receiver Operating Characteristic) Curve (AUC) to provide accuracy of the model
E.Cross-validation is a technique for evaluating ML models by training several ML models on subsets of the available input data to detect overfitting which eventually fails to generalize the pattern
F.Amazon ML uses macro-average F1 score to provide accuracy of the model
G.Amazon ML uses standard root mean square error (RMSE) metric to provide accuracy of the model