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70-354 | You are developing a Universal Windows Platform (UWP) app that will support two displays…

Question: 3

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.

A. Set the AutoSizeMode property for the app.
B. Enable multiple display support by using the ApplicationView API.
C. Enable multiple display support by using the ProjectionManager API.
D. Set the AutoScaleMode property for the app.

Answer: C

Explanation:

Projection manager lets you project a separate window of your app on another screen. When the second window is for display only, not for interaction then it is recommended that you use the projection manager.

70-354 | You are developing a Universal Windows Platform…

Question: 2

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.

A. Set the AutoSizeMode property for the app.
B. Enable multiple display support by using the ApplicationView API.
C. Enable multiple display support by using the ProjectionManager API.
D. Set the AutoScaleMode property for the app.

Answer: C

Explanation:

Projection manager lets you project a separate window of your app on another screen. When the second window is for display only, not for interaction then it is recommended that you use the projection manager.

70-354 | You are developing a Universal Windows…

Question: 1

You are developing a Universal Windows Platform (UWP) app. The application architecture uses the Model-View-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?

A. On the Save button, change the IsDefaulted property and the IsDefault property.
B. Use an InputType enumeration that has a Command member.
C. Use a CommandBinding object that contains a CanExecute event.
D. On the Save button, change the IsSealed value.

Answer: C

Explanation:

The CommandBinding.CanExecute event occurs when the command associated with this CommandBinding initiates a check to determine whether the command can be executed on the command target.