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Recertification for MCSD: Windows Store Apps using HTML5

Question No: 11 – (Topic 3)

You need to implement the secondary schedule functionality for inspectors.

Which two actions should you perform? Each correct answer presents part of the solution.

  1. Browse through the client database to find all clients with the same postal code.

  2. Define a geofence by using the location capabilities of the device.

  3. Specify the maximum distance of nearby equipment.

  4. Ascertain the proximity of the nearest piece of client-owned equipment.

Answer: B,C

Explanation: * From scenario, the secondary scheduling requirement is:

Inspectors must be able to request a list of other clients within a specified search distance who might require equipment inspection.

* Geofence / A geo-fence is a virtual perimeter for a real-world geographic areas. A geo- fence could be dynamically generated-as in a radius around a store or point location.

/ Geofence class Contains the information to define a geofence, an area of interest, to monitor.

Question No: 12 – (Topic 3)

You need to enable the loading of the daily schedule when the inspector launches the application.

Which class should you use?

  1. BackgroundExecutionManager

  2. BackgroundTaskRegistration

  3. SystemCondition

  4. BackgroundWorkCost

Answer: A

Question No: 13 – (Topic 3)

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

  1. BackgroundTask.unregisterBackgroundTasks(e.BackgroundTaskName);

  2. BackgroundTask.unregisterBackgroundTasks(sender.BackgroundTaskName);

  3. BackgroundTask.unregisterBackgroundTasks(BackgroundTask.TaskName);

  4. BackgroundTask.unregisterBackgroundTasks(BackgroundTask.BackgroundTaskName);

Answer: D

Question No: 14 – (Topic 3)

You need to implement the storage policy for secure documents. Which code segment should you insert at line PF12?

  1. Windows.Security.EnterpriseData.FileRevocationManager.getStatusAsync

  2. Windows.Security.EnterpriseData.FileRevocationManager.protectAsync

  3. Windows.Security.EnterpriseData.FileRevocationManager.Revoke

  4. Windows.Security.EnterpriseData.FileRevocationManager.copyProtectAsync

Answer: B

Question No: 15 HOTSPOT – (Topic 3)

You need to enable the connection to the equipment.

Which app capability should you declare? To answer, select the appropriate check box in the dialog box in the answer area.

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Answer:

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Question No: 16 – (Topic 3)

You need to implement the file security policy. What should you do?

  1. Implement the Windows.Security.Cryptography.CryptographicBuffer class.

  2. Use SSL for all file transfers.

  3. Implement a Secure object by using the WinJS.System class.

  4. Add a certificate server to the network.

Answer: A

Topic 4, Scenario 4 Background

You are developing a Windows Store app by using HTML5, JavaScript, and CSS3. The app will be used to access details about products that your company sells.

Business Requirements

The app must do all of the following:

->Be available to customers in many different countries.

->Display a list of product categories.

->Display the products for a selected category.

->Display details of a selected product.

->Display images of each product one at a time in a vertical presentation.

->Provide a link to an About section in the Settings pane.

->Update product data on a daily basis.

->Allow the user to view the last selected product while the app is offline.

->Be deployed in the Windows Store.

Technical Requirements General

->When the user restarts the app, the app must start in the state it was in when it was last used.

->App settings controls must be 346 pixels wide.

->The app must optimize bandwidth use and performance.

Security

->The app must use an enterprise certificate.

->The user must provide valid credentials to access the app.

->After user authentication, the app must use stored credentials.

->User accounts will be validated against a pre-existing enterprise service.

App Architecture

Service calls must be separated from the user interface. The app must follow the MVC design pattern.

Service classes can be written in C , C#, VB, or JavaScript. The app must communicate with pre-existing enterprise services.

Application Structure

Relevant portions of the app files are shown below. (Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.)

Default.js

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CredentialManager.js

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About.html

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Question No: 17 – (Topic 4)

You need to implement the saveCredentials method. Which code segment should you insert at line CM06?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: A

Explanation: Managing application data in a Windows Store business app using C#, XAML, and Prism (Windows)

PasswordVault class (Windows)

Question No: 18 DRAG DROP – (Topic 4)

You need to ensure that product images are displayed according to the requirements.

Which attributes should you use? (To answer, drag the appropriate attributes to the correct locations in the answer area. Each attribute may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

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Answer:

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Explanation:

Box 1:

data-win-control=quot;WinJS.UI.FlipViewquot;

Box 2:

data-win-options=quot;{ orientation: #39;vertical#39;}quot;gt;

Question No: 19 – (Topic 4)

You need to store the data for the last selected product. How should you store the data?

  1. Use app data storage.

  2. Use the company#39;s central data center.

  3. Use System.IO.IsolatedStorage.

  4. Use Microsoft Azure SQL Database.

Answer: C

Reference:

http://msdn.microsoft.com/en- us/library/windows/apps/System.IO.IsolatedStorage(v=vs.105).aspx

Question No: 20 – (Topic 4)

You need to ensure that the settings for the About page meet the business requirements. Which attribute should you add to the DIV element in line AB07?

  1. data-win-options=quot;{width:#39;narrow#39;}quot;

  2. data-win-options=quot;{width:#39;346#39;}quot;

  3. data-win-options=quot;{size:#39;narrow#39;}quot;

  4. data-win-options={size:#39;346#39;}quot;

Answer: A

Explanation: SettingsFlyout.width property (Windows)

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