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

1. You need to ensure that drivers can be updated. What should you do?

A) Implement the FileSavePicker control.
B) Implement the OpenFileDialog class.
C) Implement the FileOpenPicker control.
D) Connect to the Documents library.

2. 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.

3. You are developing a Windows Store enterprise app.
The app must retrieve data from other apps asynchronously across domains by using the XMLHttpRequest object.
You need to retrieve the data.
What should you use?

A) GetResponseStream()
B) WinJS.xhr
C) HttpWebRequest
D) HTTPClient

4. DRAG DROP
You are developing a Windows Store app by using JavaScript. The app will use the fileStream object to write text to a file.
You need to write the text to the file and ensure that the file is available to other apps.
Which five 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.)

5. You need to test connection reliability.
What should you do?

A) Display the status of the tap gesture after the TriggeredConnectionStateChanged event. Test wireless connections by calling the FindAllPeersAsync method.
B) Display the status of the tap gesture after the Start event. Test wireless connections by calling the FindAllPeersAsync method.
C) Display the status of the tap gesture after the TriggeredConnectionStateChanged event. Test wireless connections by calling the ConnectAsync method.
D) Display the status of the tap gesture after the Start event. Test wireless connections by calling the ConnectAsync method.

Solutions: