Published: October 23, 2012
Languages: English, Chinese (Simplified), French, German, Japanese, Portuguese (Brazil)
Audiences: Partners, developers Technology Visual Studio 2012
Credit toward certification: MCP, MCSD
Skills measured
This exam measures your ability to accomplish the technical tasks listed below. The percentages indicate the relative weight of each major topic area on the exam. The higher the percentage, the more questions you are likely to see on that content area on the exam. View video tutorials about the variety of question types on Microsoft exams.
Please note that the questions may test on, but will not be limited to, the topics described in the bulleted text.
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Design Windows Store apps (20-25%)
Design the UI layout and structure
Evaluate the conceptual design and decide how the UI will be composed; design for the inheritance and re-use of visual elements (e.g., styles, resources); design for accessibility; decide when custom controls are needed; use the Hub App template
Design for separation of concerns (SOC)
Plan the logical layers of your solution to meet app requirements; design loosely coupled layers; incorporate WinMD components
Apply the MVVM pattern to your app design
Design and implement the appropriate data model to support business entities; design your viewmodel to support your view based on your model; develop a view to meet data-binding requirements; create view models using INotifyPropertyChanged, ObservableCollection, and CollectionViewSource
Design and implement Process Lifetime Management (PLM)
Choose a state management strategy; handle the suspend event; prepare for app termination; handle the Resume event; handle the OnActivated event; check the ActivationKind and previous state
Plan for an app deployment
Plan a deployment based on Windows Store app certification requirements; prepare an app manifest (capabilities and declarations); sign an app; plan the requirements for an enterprise deployment
Develop Windows Store apps (15-20%)
Access and display contacts
Call the ContactsPicker class; filter which contacts to display; display a set number of contacts; create and modify contact information; select specific contact data
Design for charms and contracts
Choose the appropriate charm based on app requirements; design your app in a charm- and contract-aware manner; configure app manifest for correct permissions
Implement search
Provide search suggestions using the SearchPane class and SearchBox control; search for and launch other apps; provide and constrain search within an app, including inside and outside of Search charm; provide search result previews; implement activation from within search; configure search contracts
Implement Share in an app
Use the DataTransferManager class to share data with other apps; accept sharing requests by implementing activation from within Share; limit the scope of sharing using the DataPackage object; implement in-app Share outside of Share charm; use web links and application links
Manage app settings and preferences
Choose which app features are accessed in AppSettings; add entry points for AppSettings in the Settings window; create settings flyouts; store and retrieve settings from the roaming app data store
Integrate media features
Support DDS images; implement video playback; implement XVP and DXVA; implement Text to Speech (TTS)
Create the user interface (20-25%)
Create layout aware apps to handle windowing modes
Respond to changes in orientation; adapt to new windowing modes by using the ViewManagement namespace; manage settings for an apps view
Implement layout controls
Implement the Grid control to structure your layout; set the number of rows/columns and size; enable zoom and scroll capabilities in layout controls; manage text flow and presentation
Design and implement the app/nav bar
Determine what to put on the app/nav bar based on app requirements; style and position app/nav bar items; design the placement of controls on the app/nav bar; handle app/nav bar events; design the placement of controls on the app/nav bar
Design and implement data presentation
Choose and implement data controls and properties to meet app requirements (e.g., ListView, GridView, FlipView, DatePicker, TimePicker, Hyperlink, PlaceholderText, menu flyouts, and CommandBar); create data templates to meet app requirements
Create and manage XAML styles and templates
Implement and extend styles and templates; implement gradients; modify styles based on event and property triggers; create shared resources and themes
Preparation resources
XAML AppBar control sample
Program the user interaction (20-25%)
Create and manage tiles
Create and update tiles and tile contents; create and update badges (TileUpdateManager class); respond to notification requests; choose an appropriate tile update schedule based on app requirements
Notify users by using toast
Enable an app for toast notifications; populate toast notifications with images and text using the ToastUpdateManager class; play sounds with toast notifications; respond to toast events; control toast duration; configure and use Azure Mobile Services for push notifications
Manage input devices
Capture Gesture library events; create custom gesture recognizers; listen to mouse events or touch gestures; manage Stylus input and inking
Design and implement navigation in an app
Handle navigation events, check navigation properties, and call navigation functions by using the Navigation framework; design navigation to meet app requirements; Semantic Zoom
Preparation resources
Tile and tile notification overview (Windows Store apps)
Toast notification overview (Windows Store apps)
Navigation model (using C#/VB/C++ and XAML)
Manage security and data (20-25%)
Choose an appropriate data access strategy
Choose the appropriate data access strategy (file based, web service, remote storage, including Microsoft Azure storage and Azure Mobile Services) based on requirements
Retrieve data remotely
Use HttpClient to retrieve web services; set the appropriate https: verb for REST; consume SOAP/WCF services; use WebSockets for bi-directional communication; handle the progress of data requests
Implement data binding
Choose and implement data-bound controls; bind collections to items controls; implement the IValueConverter interface; create and set dependency properties; validate user input; enable filtering, grouping, and sorting data in the user interface
Manage Windows Authentication and Authorization
Retrieve a user’s roles or claims; store and retrieve credentials by using the PasswordVault class; implement the CredentialPicker class; verify credential existence by using credential locker; store account credentials in app settings
Manage Web Authentication
Use the Windows.Security.Authentication.Web namespace; set up oAuth2 for authentication; implement the CredentialPicker class; set up single sign-on (SSO); implement credential roaming; implement the WebAuthenticationBroker class; support proxy authentication for enterprises
Preparation resources
Connecting to web services (Windows Store apps using C#/VB/C++ and XAML)
Data binding overview (Windows Store apps using C#/VB/C++ and XAML)
Managing user info (Windows Store apps using C#/VB/C++ and XAML)
QUESTION 1
You need to ensure that launching the app displays the required information.
From which ApplicationExecutionState enumeration should you configure the user interface state?
A. ClosedByUser
B. Suspended
C. NotRunning
D. Running
E. Terminated
Answer: E
Explanation: The user closes the app through the close gesture or Alt+F4 and takes longer than 10 seconds to activate the app again.
*From scenario: The app must meet the following technical requirements: Retain state for each user and each device.
Restore previously saved state each time the app is launched.
Your app can use activation to restore previously saved data in the event that the operating system terminates your app, and subsequently the user re-launches it. The OS may terminate your app after it has been suspended for a number of reasons. The user may manually close your app, or sign out, or the system may be running low on resources.
Ref: https://msdn.microsoft.com/en-us/library/windows/apps/hh464925.aspx
QUESTION 2
You need to choose the appropriate data binding strategy for the image list box.
Which method should you use?
A. System.Drawing.ImageConverter.ConvertToString()
B. IValueConverter.ConvertBack()
C. IValueConverter.Convert()
D. System.Drawing. ImageConverter-ConvertFromStrin()
Answer: C
Explanation: IValueConverter.Convert
The data binding engine calls this method when it propagates a value from the binding source to the binding target.
QUESTION 3
You need to ensure that only the correct information is preserved when the user switches to another app.
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)
A. Save application state by calling the SaveDataToRoamingStorage() method,
B. Save photographs by calling the SaveDataToLocalStorage() method.
C. Save photographs by calling the SaveDataToWebService() method.
D. save application state by calling the SaveDataToLocalStorage() method.
Answer: A,B
Explanation: A: From scenario: The app must meet the following technical requirements: Retain state for each user and each device.
B: From scenario: The app must store cached images on the device only
QUESTION 4
You need to ensure that the app resumes according to the requirements.
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)
A. Retrieve new user content by using the Window.Current.Dispatcher.ProcessEvents()
method in the App_Resuming event handler.
B. update the user interface by using the Window.Current.Dispatcher.Invoke() method in the App_Resuming event handler.
C. Override the OnLaunched event handler.
D. Retrieve new user content by using the Window.Current.Dispatcher.ProcessEvents() method in the OnLaunched event handler when the ActivationKind is Launch.
E. Update the user interface by using the Window.Current.Dispatcher.Invoke() method in the OnLaunched event handler when the ActivationKind is Launch.
F. Register the App_Resuming event handler for the Resuming event.
Answer: A,B
Explanation:
From scenario:
The app must meet the following technical requirements:
/ When the app resumes after a period of suspension, refresh the user interface, tile images, and data with current information from the web service.
QUESTION 5
You need to choose the appropriate data binding strategy for the image list box.
Which method should you use?
A. System.Drawing.ImageConverter.ConvertTo(value, typeof(Image))
B. IValueConverter.Convert()
C. System.Drawing.ImageConverter.ConvertFrom(value, typeof(Image), CultureInfo.CurrentUICulture)
D. IValueConverter.ConvertBack ()
Answer: B
Explanation: IValueConverter.Convert
The data binding engine calls this method when it propagates a value from the binding source to the binding target.
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