070-490 試験問題を無料オンラインアクセス

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 D
• C.Option C
• D.Option A

You are developing a Windows Store photography app by using JavaScript. The app includes the following code segment. (Line numbers are included for reference only.)

You need to ensure that the app captures all pictures as landscape-oriented photos at the maximum resolution.
Which code segment should you insert at line 03?

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

You need to implement the getStoredCredentialsFull method. Which code segment should you insert at line CM13?

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

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.)

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