Exam 70-490 Recertification for MCSD: Windows Store Apps using HTML5

Published: 01 August 2014
Languages: English
Audiences: Developers
Technology: ASP.NET MVC
Credit towards certification: MCP, MCSD

Skills measured
This exam measures your ability to accomplish the technical tasks listed below.

Please note that the questions may test on, but will not be limited to, the topics described in the bulleted text.

Design Windows Store apps

Design the UI layout and structure
Evaluate the conceptual design; 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

Develop Windows Store apps

Implement search
Provide search suggestions using the SearchPane and SearchBox control class; search 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

Integrate media features
Support DDS images; implement video playback; implement XVP and DXVA; implement TTS; implement audio and video playback using HTML5 DRM

Create the user interface
Implement WinJS controls

Flipview; flyout; grid layout; list layout; menu object; WebView; item container; repeater

Implement HTML layout controls
Implement layout controls to structure your layout; implement templates and bindings; support scrolling and zooming with CSS3; manage text flow and presentation, including overflow

Create layout-aware apps to handle windowing modes
Use CSS3 media queries to adapt to different devices; respond to changes in orientation; adapt to new windowing modes by using the ViewManagement namespace; manage setting for an apps view

Program user interaction

Notify users by using toast
Enable an app for toast notifications; populate toast notifications with images and text by using the ToastUpdateManager; play sounds with toast notifications; respond to toast events; control toast duration; configure and use Azure Mobile Services for push notifications

Manage security and data

Choose a 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 XHR or HttpClient to retrieve web services; set appropriate HTTP verb for REST; handle progress of data requests; consume SOAP/WCF services; use WebSockets for bidirectional communication

Manage Windows Authentication and Authorisation
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; CredentialPicker; set up single sign-on (SSO); implement credential roaming; implement the WebAuthenticationBroker class; support proxy authentication for enterprises

Develop Windows Store apps

Create background tasks
Implement the Windows.applicationmodel.background classes; implement WebUIBackgroundTaskInstance; create a background task to manage and preserve resources; create a background task to get notifications for an app; register the background task by using the BackgroundTaskBuilder class; prioritise tasks by using the Scheduler namespace

Discover and interact with devices

Capture media with the camera and microphone
Use CameraCaptureUI to take pictures or video, and configure camera settings; use MediaCapture to capture pictures, video and audio; configure camera settings; set media formats; handle media capture events; implement advanced photo capabilities, such as sequence mode, thumbnails and focus mode

Get data from sensors
Determine the availability of a sensor (Windows.devices.sensors); add sensor requests to the app manifest; handle sensor events; get sensor properties; determine location via GPS; enable geofencing

Implement device access
USB; Bluetooth; Human Interface Device (HID); 3D printer support; Point of Service (PoS) devices

Program user interaction
Implement Play To by using contracts and charms

Register an app for Play To; use PlayToManager stream media assets; register an app as a PlayToReceiver; programmatically implement PlayTo functionality

Notify users by using Windows Push Notification Service (WNS)
Authenticate with WNS; request, create and save a notification channel; call and poll the WNS; configure and implement push notifications by using Azure Mobile Services

Enhance the user interface

Design for and implement UI responsiveness
Choose an asynchronous strategy between web workers and promises; implement web workers; nest and chain promises; make custom functions promise-aware; improve interface performance by using the Scheduler namespace

Implement animations and transitions
Apply animations from the animation library (WinJS.UI.animation); create and customise animations and transitions by using CSS; apply transformations; create animations by using keypoints; apply timing functions; animate with the HTML5 < canvas > element

Manage data and security

Design and implement data caching
Choose which types of items (user data, settings, application data) in your app should be persisted to the cache based on requirements; choose when items are cached; choose where items are cached (Microsoft Azure, Azure Mobile Services, remote storage); select a caching mechanism; store data by using indexDB, LocalStorage, and SessionStorage

Save and retrieve files
Handle file streams; save and retrieve files by using the StorageFile and StorageFolder classes; set file extensions and associations; save and retrieve files by using file pickers and the folder picker; compress files to save space; access libraries and KnownFolders, for example, pictures, documents and videos; manage appearance of the file picker; improve searchability by using Windows Index; integrate OneDrive with apps; compare files; manage libraries

Secure application data
Encrypt data by using the Windows.Security.Cryptography namespace; enrol and request certificates; encrypt data by using certificates; revoke file permissions

Prepare for a solution deployment

Design and implement a test strategy
Design a functional test plan; implement a coded UI test; design a reliability test plan, including performance testing, stress testing, scalability testing and duration testing; simulate in-app purchases

Evaluate and configure for Windows Store deployment
Configure app options to submit to the Windows Store, such as age restrictions, privacy statement, permissions, images and contact information; create application files, resource files and application bundles; verify application readiness by using the Windows Application Certification Kit (WACK)

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