Online Access Free 70-490 Exam Questions

DRAG DROP
You need to configure the app to receive push notifications.
Which four actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Correct Answer:

In the following code segment, three functions return WinJS.Promise objects.

You need to chain the promise operations to optimize error handling. Which code segment should you use?

• A.Option B
• B.Option C
• C.Option D
• D.Option A

HOTSPOT
You are developing a Windows Store app.
You plan to use Windows Push Notification Services (WNS) in the app.
You need to identify whether the system has disabled notifications globally.
How should you complete the relevant code? (To answer, select the correct code segment
from each drop-down list in the answer area.)

Correct Answer:

You need to modify the app so that the user can play videos by tapping the screen. What should you do?

• A.Option B
• B.Option C
• C.Option D
• D.Option A

You are developing a fitness app for distribution through the Windows Store.
The app must interact with the following USB device classes:
Webcam
Infrared thermometer
Scale
Printer
----
You need to modify the app manifest file as required to support the devices.
Which two device classes should you include? Each correct answer presents part of the solution.

• A.Printer
• B.PersonalHealthcare
• C.IrDa
• D.AudioVideo