Microsoft
70-518 · Question #101
You are designing a Windows Presentation Foundation (WPF) client application from which employees will access a Web service. Business partners will access the Web service by using proprietary client…
The correct answer is B. Implement data validation at the service layer and reject invalid data. See the full explanation below for the reasoning.
Question
You are designing a Windows Presentation Foundation (WPF) client application from which employees will access a Web service. Business partners will access the Web service by using proprietary client applications. You need to recommend a solution for ensuring the integrity of data in the system. What should you recommend?
Options
- ASecure the Web service by using SSL.
- BImplement data validation at the service layer and reject invalid data.
- CImplement data validation on the client and reject invalid data.
- DEncrypt data while storing it in the database.
How the community answered
(25 responses)- A8% (2)
- B84% (21)
- C4% (1)
- D4% (1)
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