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UM0-100 · Question #38
UM0-100 Question #38: Real Exam Question with Answer & Explanation
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Question
When a customer uses a service to order books, the service contacts a commercial credit card validation service, an address verification service, and an internal client database. Assuming the Order Books process is modeled as one use case at the system level, which actors would there be?
Options
- ACustomer
- BCustomer, Client Database
- CCustomer, Credit Card Validation Service
- DCustomer, Credit Card Validation Service, Address Verification Service
- ECustomer, Credit Card Validation Service, Address Verification Service, Client Database
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