Microsoft 70-355 : Universal Windows Platform - App Data - Services - and Coding Patters

70-355 real exams

Exam Code: 70-355

Exam Name: Universal Windows Platform - App Data - Services - and Coding Patters

Updated: Sep 03, 2026

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Microsoft 70-355 Exam Syllabus Topics:

SectionObjectives
Manage Application Data- Local and roaming data storage strategies
  • 1. ApplicationData APIs and usage patterns
    • 2. Data persistence and lifecycle management
      - File handling and serialization
      • 1. JSON serialization and deserialization
        • 2. Working with files and folders in UWP
          Integrate External Data and Services- RESTful services consumption
          • 1. HTTP client usage and request handling
            • 2. Parsing JSON and handling responses
              - Cloud and Azure integration concepts
              • 1. Authentication and API access
                • 2. Data synchronization strategies
                  Implement Services and Background Processing- Background tasks
                  • 1. Task registration and execution
                    • 2. Trigger types and constraints
                      - App services
                      • 1. Service contracts and messaging patterns
                        • 2. App-to-app communication
                          Implement Coding Patterns and Architecture- MVVM pattern
                          • 1. Command and notification patterns
                            • 2. ViewModel design and data binding
                              - Dependency injection and separation of concerns
                              • 1. Service abstraction layers
                                • 2. Loose coupling strategies

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