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Category: 70-357

Exam 70-357: Developing Mobile Apps

You need to ensure that the app failure information is …

You develop a Universal Windows Platform (UWP) app that is available in the Microsoft Store.
Some users report that the app occasionally crashes.
You review the health reports from the Windows Dev Center dashboard and you discover that there are no
Failure logs for the app.
You need to ensure that the app failure information is available in the health reports from the Windows Dev
Center dashboard.
What should you do before you republish the app?

What is the best approach to achieve the goal?

You are developing a Universal Windows Platform (UWP) app that will support two displays. The primary
display will have a maximum resolution of 1080 p. The secondary display will support a maximum resolution of
4 К and will not support interactivity.
Your need to ensure that the app can use the full resolution of each display.
What is the best approach to achieve the goal? More than one answer choice may achieve the goal. Select the
BEST answer.

You need to ensure that when LastName is empty, the Sav…

You are developing a Universal Windows Platform (UWP) app. The application architecture uses the ModelView-ViewModel (MVVM) pattern.
You are designing a form to add new contacts to the app. The form contains an input field named LastName
and a Save button.
You need to ensure that when LastName is empty, the Save button is disabled.What should you use?

What should you identify?

HOTSPOT
You are designing a Universal Windows Platform (UWP) app that will access external data sources. The data
sources have the following requirements:
The data must be stored in a relational database.
The data sources must be stored in a public cloud.
The app must not connect directly to the database.
The app must access the data sources by using HTTP verbs.
You need to identify the appropriate data storage type and the appropriate method to use to access the data
sources.
What should you identify? To answer, select the appropriate options in the answer area.
Hot Area:


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