Try Microsoft : 070-357 valid & accurate questions and answers

Choose the appropriate navigation structure for an app
-Evaluate when to implement the Hub, Master/Details, Tabs and Pivot, and Nav Pane navigation patterns; evaluate when to implement a custom navigation pattern

Implement Nav Pane navigation
-Load page content by using Frame.Navigate, implement page navigation by using the Nav Pane pattern; implement a SplitView control for use as a navigation pane; support accessibility requirements within navigation by implementing key based navigation, UI automation, and narrator; handle Back button behavior for different Windows 10 device families

Manage app activation
-Launch an app, activate an app on Startup, implement activation from a deep link, implement activation based on Search integration, implement activation from a secondary tile

Manage app suspension and resuming
-Prepare an app for suspension, resume from suspension or termination, extend execution and monitor suspension errors

Implement API detection within adaptive code

Implement Type detection within adaptive code

Implement supported capabilities
-Implement support for a microphone, implement support for a webcam, implement support for location, implement support for enterprise authentication

Create and consume class libraries and Windows Runtime components
-Develop Windows Runtime components, develop class libraries, integrate class libraries and Windows Runtime components

Implement tile and toast notifications
-Implement adaptive and interactive toast notifications, implement local tile notifications

Create and register a background task
-Create a background task project and reference the background task within a project, implement background task event triggers and conditions

Implement and manage a background task
-Monitor background task progress and completion, manage task lifecycle, share data and events between an app and its background tasks, call a background task directly

Create and consume a Universal Windows Platform (UWP) app service
-Specify the AppService extension, implement app service as a background task, deploy the app service provider, call app services

Implement authentication using Web Authentication Broker
-Implement web service authentication, implement OAuth, implement Azure Active Directory authentication

Manage credentials securely with Credential Locker

Implement two-factor authentication
-Implement two-factor authentication using Microsoft Passport, implement two-factor authentication using Windows Hello

Access data by using Entity Framework (EF)
-Access data by using EFCore with SQLite, implement a local SQLite database

Implement the {Binding} extension

Implement the {x:Bind} extension

Implement MVVM classes and class interactions
-Implement event binding by applying command patterns, implement a Dispatcher to update the UI thread with async return data

Implement app-to-app communications
-Integrate a Share contract to share content with another app, integrate drag-and-drop, launch an app for results, implement app extensions, implement App Services

Implement REST Web Services
-Implement JSON and data serialization, access cloud data and Web APIs by using HttpClient

Implement file system access
-Manage storage by using StorageFile, StorageFolder, and StorageItem; access a file location by using FilePickers; implement data roaming and roaming folders

Construct a page layout
-Configure a RelativePanel layout; select the appropriate XAML layout panel based on the UI requirement; configure a grid with appropriate column and row properties; configure alignment, margins, and padding

Implement responsive and adaptive UI behaviors
-Differentiate between responsive and adaptive UI behaviors, create responsive and adaptive UIs by using VisualStateManager and AdaptiveTriggers, implement settings syntax for element properties and attached properties

Create and use custom controls within an adaptive UI
-Evaluate when to create a custom control; create a custom control; implement styles, themes, and resource dictionaries; apply styles to custom controls by using Generic.xaml

Optimize a page layout
-Reduce complexity for performance gains, reduce unnecessary nesting

Implement command bars, flyouts, and dialogs
-Implement command bars and AppBarButton buttons, implement context menus and menu flyouts, implement content dialogs, display a tooltip by using ToolTipService, display a pop-up menu, implement control over app settings

Implement support for traditional and touch input devices
-Support touch input, support mouse input, support keyboard and virtual keyboard input

Implement speech and voice commands
-Support speech synthesis, support speech recognition, support Cortana integration, support Personal Assistant Launch capability, support voice commands

Implement alternative forms of input
-Implement inking, implement camera input, implement location services and GPS input