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Microsoft 070-490 Exam Syllabus Topics:

Microsoft Recertification for MCSD: Windows Store Apps using HTML5 Sample Questions:

1. 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 D
B) Option B
C) Option A
D) Option C

2. DRAG DROP
You are developing a Windows Store enterprise app that will send status messages to a user's device.
The app must display a toast notification whenever it receives a new message.
You need to implement the toast notification.
Develop the solution by selecting and arranging the required code segments in the correct order. You may not need all of the code segments.

3. HOTSPOT
You have a Windows Store app. You are reviewing code that caches data.
The code includes the following segment. Line numbers are included for reference only.
01 function setLocaiStorage(value) {
02 var storage = window.localStorage;
03 var value = document.getElement3yId('textToAdd').text;
04 storage.name = 'John';
05 storage.phone = ' 555-555-0100';
06 storage.message = value;
07 }
For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.

4. You need to ensure that inspectors can manage tasks that are assigned to them. Which code segment should you insert at line BT22?

A) BackgroundTask.unregisterBackgroundTasks(sender.BackgroundTaskName);
B) BackgroundTask.unregisterBackgroundTasks(BackgroundTask.TaskName);
C) BackgroundTask.unregisterBackgroundTasks(BackgroundTask.BackgroundTaskName);
D) BackgroundTask.unregisterBackgroundTasks(e.BackgroundTaskName);

5. You are developing a Windows Store app by using JavaScript.
You need to ensure that the user can capture a photograph with the built-in camera and
then process the resulting file.
Which code segment should you use?

A) Option D
B) Option B
C) Option A
D) Option C

Solutions: