Exam 70-355
Universal Windows Platform – App Data, Services, and Coding Patterns (beta)
Skills measured
This exam measures your ability to accomplish the technical tasks listed below. 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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Recognize and apply a specified design pattern
Describe the relationship between architecture, design pattern, and framework
Recognize common architectures and when they should be used, recognize common design patterns and when a pattern can be applied to make programming tasks faster and easier
Describe traditional Microsoft .NET design patterns
Describe the Gang of Four design patterns, including creational patterns, structural patterns, and behavioral patterns; describe 3-tier/N-tier patterns; describe enterprise patterns; describe cloud design patterns; describe head first patterns; describe repository patterns; describe unit of work patterns
Apply the Model-View-ViewModel (MVVM) Prism pattern
Separate concerns, develop the views for the MVVM app, develop the view-models for the MVVM app, develop the models for the MVVM app, develop class interactions and data binding for the MVVM app
Develop app and business logic, code that interfaces with other line-of-business (LOB) apps, and LOB Server Services (AD, SP)
Develop code for app-specific processes and computations
Create an asynchronous method or process, managing the return value from an asynchronous method, debugging and error handling for an asynchronous method, develop storyboards and custom animations for an object, represent 3-D models as code objects, manage 2-D projections of 3-D objects, use Task, ThreadPool, and background transfers
Implement background tasks
Create a background task, register a background task, set and respond to triggers, debug a background task, implement a lock screen app, share data/events between an app and its background tasks; directly calling a background task
Manage app lifecycle events
Prepare for suspension, resume from suspension or termination, implement an extended splash screen, extend execution and monitor suspension errors
Implement interactions with other apps
Integrate a share contract to share content with another app, integrate contact and appointment functionality, implement mapping and navigation (geolocation, geofencing, and Bing Maps), exchange data/file between apps, including launch for result; use drag and drop
Implement notifications and Windows Push Notification Services (WNS)
Implement and manage notifications; support Live Tile updates, including toasts and badges, support Action Center and secondary tiles
Implement interactions with devices
Develop code for camera and microphone, including photo, video, and audio; implement screen capture; implement printing and Play To; integrate HoloLens sensors and services; support
wireless communication
Develop class libraries (code libraries, DLLs)
Naming assemblies, namespaces, types, and members in class libraries; using static and abstract classes, interfaces, enumerations, structures, and other types; designing and using properties, methods, constructors, fields, events, operators, and parameters; implementing extensibility mechanisms such as subclassing, using events, virtual members, and callbacks; designing, throwing, and catching exceptions
Develop code for implementing secure cloud data services and storage
Design and implement data roaming
Roaming user settings and preferences, roaming app session info
Design and implement a RESTful data solution (oData, JSON)
Using the ASP.NET Web API, implementing JSON serialization, adding a service reference to the project, using Windows.Web.https:.HttpClient objects
Design and implement Azure and cloud data sources
Implement offline data sync, implement caching, support OneDrive integration, implement file access and management (including File Picker and file access APIs), upload images to Azure Storage
Integrate Azure data services
Call a custom Cloud Service API from a client, schedule backend jobs in Mobile Services
Design and implement removable and embedded local data sources
Support SD card storage, implement SQLite on mobile devices
Develop code to implement authentication and business security requirements
Implement code to manage authentication and identity
Web authentication broker; Azure authentication; implement code to manage identity; implement biometric identity verification, including Windows Hello; implement Credential Locker, implement single sign-on
Implement code to manage authorization and access to resources
Implement authentication requests; authorize users and apps; manage authorization IDs; restrict access to resources, including data, files, folders, and devices
Implement cryptography within an app
Create cryptographic keys, hash and sign content, create message authentication codes, encrypt and decrypt data
Support enterprise security considerations
Implement security transparency, implement code access security, implement role-based security
Integrate cloud services and Azure App Service services
Build native and cross-platform apps using services
Integrate Azure App Service mobile app functionality within an existing mobile app, use a .NET client with Mobile Services, call a custom API from a client
Connect to your enterprise systems using services
Build a service that uses an existing SQL database, connect to an on-premises SQL Server from an Azure mobile service using hybrid connections, scale mobile services backed by Azure SQL database, authenticate your app with Active Directory Authentication Library single sign-on, add role-based access control to mobile services with Azure Active Directory, access Microsoft SharePoint on behalf of the user, schedule backend jobs in mobile services, troubleshoot a mobile services .NET backend
Connect to SaaS APIs using services
Implement single sign-on using credentials from third-party identity providers, build a service that uses MongoDB as a data store
Build offline-ready apps with sync using services
Allow employees to work offline when connectivity is not available, synchronize with your enterprise backend systems when devices comes back online, recover in the event of a disaster
Push notifications to users using services
Add push notifications to your app, send push notifications to authenticated users
Develop code that is maintainable and that supports app versioning, compatibility, and coexistence
Develop code using version control (TFVC or Git)
Develop code using a standardized coding convention, implement best practices for assembly versioning
Implement best practices for assemblies and side-by-side execution
Use strong-named assemblies, including version, culture, and publisher; use the GAC to provide version-aware storage; create an app that runs in isolation
Implement best practices for assembly placement and the GAC
Using an app configuration file, using codebases, providing a binding context
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