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Nobody likes waiting after paying. Once you order the 70-357 exam materials at PrepAwayETE, the system emails you at once with the download link — install the Microsoft Developing Mobile Apps product on your computer and you are studying within minutes.
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Exam Format: | Multiple choice, Drag and drop, Case studies, Multiple response |
| Exam Duration: | 150 minutes |
| Related Certifications: | MCSA: Web Applications |
| Available Languages: | French, Japanese, German, Chinese (Simplified), Spanish, English, Korean |
| Certificate Validity Period: | Retired (no longer available; certification was historically valid for 2 years) |
| Passing Score: | 700 (on a 1000 scale) |
| Exam Price: | USD 165 (historical, varies by region and date) |
| Real Exam Qty: | Approximately 40–60 |
| Recommended Training: | UWP and Windows App Development learning paths Microsoft Learn (Legacy exam training resources) |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Dashboard |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or authorized test center (historically via Pearson VUE) |
| Pre Condition: | No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/70-357/ |
| Section | Objectives |
|---|---|
| Design and develop mobile apps | - Plan application architecture - Design application UI/UX for mobile devices - Select appropriate app models and frameworks |
| Debugging, testing, and performance optimization | - Implement testing strategies - Debug application issues - Optimize performance and responsiveness |
| Implement application functionality | - Develop client-side logic - Integrate APIs and services - Implement navigation and app lifecycle management |
| Data storage and management | - Work with remote data sources - Use local storage mechanisms |
| Deployment and security | - Package and deploy mobile applications - Ensure application security best practices - Implement authentication and authorization |
The 70-357 exam contains Approximately 40–60 questions with 150 minutes minutes to complete them. A clear knowledge structure is what makes that volume manageable — you answer faster when every topic has its place.
Passing the 70-357 exam requires 700 (on a 1000 scale), and registration costs USD 165 (historical, varies by region and date). Structured preparation is how you spend study time once and exam fees once.
Immediately. The system emails you at once with the download link for the Microsoft Developing Mobile Apps materials — the whole delivery process takes about a minute. Open the email, download the 70-357 exam product to your computer, install it, and you are studying within minutes of deciding to. If the message does not appear, check your spam folder; after 2 hours without delivery, contact support. Install on all of your own devices without limit.
No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts.
The 70-357 exam is the official assessment behind the Microsoft Developing Mobile Apps certification from Microsoft. Lifelong learning has become the norm precisely because industries keep moving — and this credential is a concrete way to keep pace. Many candidates only sit it seriously on a second attempt; structured preparation is how you make the first one count.
Microsoft recommends these training resources for candidates:
Official training adds depth; a clearly structured practice bank with verified answers adds direction. Together they cover both sides of preparation.
The official outline divides the 70-357 exam into weighted domains, including:
The Microsoft Developing Mobile Apps bank at PrepAwayETE mirrors this structure, so the knowledge map you build while practicing matches the one the exam uses.
Registration for the 70-357 exam runs through these official channels:
It is never too late to start — but starting today beats starting after one more week of hesitation.
Structure is the design principle. The Microsoft Developing Mobile Apps materials first build a clear knowledge structure of the 70-357 exam, so difficult points become understandable in sequence rather than intimidating in isolation. Our experts have prioritized the most important knowledge for busy learners, and every answer is expert-verified — so your limited hours go exactly where the objectives point.
You must create a project for shared code.
Solution: You implement the shared code in a Windows Runtime component.
Does this meet the goal?
Correct Answer: B 🗳️
You are a developer for LitWare, Inc. Universal Windows Platform (UWP) app.
Access to the hardware within the app is not functioning correctly.
You need to add the capabilities to the package.appmanifest file.
Which markup segment should you insert at line PM16?
Correct Answer: D 🗳️
Hotspot Question
You are developing a Universal Windows Platform (UWP) app.
You need to implement responsive user design patterns.
Which of the following techniques are supported? To answer, select the appropriate option from each list in the answer area.
Correct Answer:
Drag and Drop Question
You are developing a Universal Windows Platform (UWP) app.
A user terminates the app.
You need to ensure that the app initializes when the user starts the app.
How should you complete The method? To answer, drag the appropriate code segment to the correct location or locations. Each code segment may be used once, more than once, or not all.
You may need to drag the split bar between panes or scroll to view content.
Correct Answer:
You need to implement the appropriate XAML layout for the Timeline app.
Solution: You create an instance of a RelativePanel class.
Does this meet the goal?
Correct Answer: B 🗳️
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Viewing questions 1-5 out of 55 questions.
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