Try Microsoft : 070-357 valid & accurate questions and answers
Last Updated: Oct 09, 2026
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Every candidate needs a strong partner. The Microsoft Developing Mobile Apps dumps torrent at Exams-boost gives the strongest support: 55 practice questions for the 070-357 exam.
Microsoft 070-357 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Exam Format: | Multiple-choice, Drag-and-drop, Performance-based items, Case studies |
| Related Certifications: | MCSD: App Builder MCSA: Universal Windows Platform |
| Available Languages: | Russian, Spanish, Portuguese (Brazil), Japanese, Chinese (Simplified), English, Chinese (Traditional), German, French |
| Exam Price: | $165 USD (varies by region) |
| Real Exam Qty: | 40-60 |
| Certificate Validity Period: | Retired as of January 31, 2021; certifications earned remain valid until expiration |
| Exam Duration: | 150 minutes |
| Passing Score: | 700 out of 1000 |
| Recommended Training: | Microsoft Official Learning |
| Exam Registration: | Microsoft Exam Page |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Proctored at authorized test centers or online proctoring; retired since Jan 31, 2021 |
| Pre Condition: | Typically 2+ years of experience developing Windows apps with C# and XAML; familiarity with MVVM, Entity Framework, and authentication technologies; Visual Studio 2015+ recommended |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/70-357/ |
Microsoft 070-357 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Manage user input and custom user interactions | 10-15% | - Integrate share contracts and app extensions - Implement gestures and custom interactions - Support touch, mouse, keyboard, and pen input |
| Implement feature detection for adaptive coding | 10-15% | - Detect device capabilities and features - Implement adaptive code paths - Handle different form factors and resolutions |
| Implement data access and data binding | 20-25% | - Consume REST services and JSON data - Apply MVVM pattern and data binding - Access data using Entity Framework - Access cloud and local file system data |
| Develop a XAML page layout for an adaptive UI | 10-15% | - Create and use custom controls - Configure grid, alignment, margins, and padding - Implement responsive and adaptive UI with VisualStateManager and AdaptiveTriggers - Select appropriate XAML layout panels |
| Implement page navigation and lifecycle events | 10-15% | - Manage app suspension, resuming, and activation - Choose navigation patterns (Hub, Master/Details, Tabs, Nav Pane) - Implement navigation using Frame and navigation helpers - Implement command bars, menus, and dialogs |
| Manage authentication and identity management | 10-15% | - Implement Microsoft Account and Azure AD authentication - Implement authorization and role-based access - Manage tokens and secure storage |
| Implement notifications, background tasks, and reusable components | 15-20% | - Implement app services and inter-app communication - Build reusable libraries and components - Implement toast, tile, and badge notifications - Create and schedule background tasks |
070-357 Exam FAQ — Your Strong Partner
150 minutes for 40-60 questions. The Exams-boost SOFT engine simulates the formal test model, so each exercise set trains the pacing you'll need.
Yes — try and download the free demos of the Microsoft Developing Mobile Apps PDF version before you buy; they show the model and style of the full torrent. Purchases include 365 days of free updates by email; renew afterward at 50% off.
Typically 2+ years of experience developing Windows apps with C# and XAML; familiarity with MVVM, Entity Framework, and authentication technologies; Visual Studio 2015+ recommended Eligibility rules change over time, so verify the current requirements on the official page (official 070-357 exam page) before registering.
Upon successful payment, our system emails the Microsoft Developing Mobile Apps material automatically within about a minute — in a safer environment with your personal information sealed tightly, and 24/7 help if nothing arrives within 2 hours. If you fail the corresponding 070-357 exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
Through the vendor's official registration channels:
The Microsoft Developing Mobile Apps is delivered Proctored at authorized test centers or online proctoring; retired since Jan 31, 2021 — pick the arrangement that suits you when booking.
$165 USD (varies by region) per attempt, 700 out of 1000 to pass. Retakes cost the full fee — use your leisure time with the 55 practice questions for the 070-357 exam at Exams-boost before booking.
The Microsoft Developing Mobile Apps blueprint spans 7 domains — including Implement page navigation and lifecycle events (10-15%), Implement feature detection for adaptive coding (10-15%), Manage authentication and identity management (10-15%). All three versions of our material cover the same content, with no discrepancy; the complete outline above lists every subtopic.
The Microsoft Developing Mobile Apps is Microsoft's certification exam for MCSA: Universal Windows Platform, MCSD: App Builder, at the Professional level. It's a fundamental element for a higher position and a more promising future. Related credentials include MCSA: Universal Windows Platform, MCSD: App Builder.
Yes:
After any course, keep practicing with the 55 practice questions for the Microsoft Developing Mobile Apps — every answer expert-verified.
Microsoft Developing Mobile Apps Sample Questions:
Hotspot Question
You need to properly handle the size of the user interface objects.
How should you complete the method? To answer, select the appropriate code segment from each list in the answer area. NOTE: Each correct selection is worth one point.
Correct Answer:
Topic 2, Background
You are developing a Universal Windows Platform (UWP) app for LitWare, Inc. that will assist video artists. The app allows artists to create videos, share videos through other mobile apps, and upload the videos through LitWare, Inc's web services. What helps set LitWarelnc's app apart from competitors is their focus on speed and performance.
Business requirements
Support many devices
Users may have phones, tablets, or laptops. The app must support all devices with a fluid layout that grows off-screen and adapts to each device.
Record video
Users must be able to record videos and view them in their videos library .
The app must display information about the recorded video .
Users must be able to edit the upload queue in the app.
Branding
The app must allow deferral and scheduling of video uploads.
Users must be able to view the status of video uploads.
Any videos created with this app or shared with this app must be uploaded without user interaction.
Download video
The app must have the option to automatically download videos.
Users must be able to initiate downloading of videos.
Share video
The app must allow be allowed to receive videos from other apps.
Technical requirements
Application structure
Technical requirements
Support multiple devices
The app must support the following:
- Use horizontal layout for larger screens .
- Use vertical layout for smaller screens .
- Use one layout control per view.
The app must be compatible with current and future XBOX app that use C++.
Uploading and downloading
The app must use a background operations to upload and download videos.
Code reuse
The app must use a common pool of XAML resources and custom controls.
All custom controls must use a consistent theme throughout the app.
You must create code that can be reused in C++, C#, JavaScript, whenever possible.
The app must call the background service to avoid duplication of code.
Security
End users must be authenticated using OAuth.
Web services must be authenticated.
Users must have the option to use single sign-on.
Recording
The app must use the microphone and webcam to support audio and video recording. In addition, the app must support the use of the back camera buttons, if present.
Integration:
Other apps must be able to share videos with this app through a Universal Windows Platform (UWP) Architecture and coding style The app must follow the Model-View-ViewModel (MVVM) pattern.
The app's user interface (UI) must be optimized for performance.
The app must use compile time coding techniques over runtime.
Package appxmanifest
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.
Background Task
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.
You must create a project for shared code.
Solution: You implement the shared code in a Windows Runtime component.
Does this meet the goal?
- A. Yes
- B. No
Correct Answer: A 🗳️
You need to configure authentication for the app.
Which two technologies should you use? Each correct Answer presents part of the solution.
- A. Windows Hello
- B. Windows Kerberos
- C. Microsoft Passport
- D. Azure Active Directory
Correct Answer: A 🗳️
Hotspot Question
You are developing a Universal Windows Platform (UWP) app by using XAML and C#.
A team member has written a XAML page includes a button with an event handler method named ButtonSendNotification_Click() registered to the Click event.
You are reviewing the following code segment written by the team member (line numbers are added for reference only):
Correct Answer:
You need to ensure that the Time line app meets the XAML coding requirements.
In Settings.xaml, which markup segment should you select to replace the markup segment at line AS06?
- A.
- B.
- C.
- D.
Correct Answer: B 🗳️
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