Microsoft
70-484 · Question #157
70-484 Question #157: Real Exam Question with Answer & Explanation
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Question
You need to implement user authentication in your Windows Store app that enables messaging between logged-on users and their friends. A user expects to be logged on to the app and have access to messages from multiple devices. How should you implement this feature?
Options
- AShow a dialog box to request credentials every time the user needs to check the account for
- BAuthenticate the user when the app is installed and save the credentials in the roaming app data
- CUse the CredentialPicker to retrieve the credentials if the credentials are not available in the
- DAuthenticate the user when the app is installed and save the credentials in the temporary app
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