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Microsoft 070-357 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Related Certifications: | MCSA: Universal Windows Platform MCSD: App Builder |
| Exam Price: | $165 USD (varies by region) |
| Exam Format: | Case studies, Multiple-choice, Drag-and-drop, Performance-based items |
| Passing Score: | 700 out of 1000 |
| Exam Duration: | 150 minutes |
| Real Exam Qty: | 40-60 |
| Certificate Validity Period: | Retired as of January 31, 2021; certifications earned remain valid until expiration |
| Available Languages: | Chinese (Simplified), Chinese (Traditional), French, Portuguese (Brazil), English, Spanish, German, Russian, Japanese |
| Recommended Training: | Microsoft Official Learning |
| Exam Registration: | Microsoft Exam Page |
| Sample Questions: |  |
| 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 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 - Create and schedule background tasks - Implement toast, tile, and badge notifications - Build reusable libraries and components |
| Develop a XAML page layout for an adaptive UI | 10-15% | - Configure grid, alignment, margins, and padding - Implement responsive and adaptive UI with VisualStateManager and AdaptiveTriggers - Select appropriate XAML layout panels - Create and use custom controls |
| Implement feature detection for adaptive coding | 10-15% | - Implement adaptive code paths - Detect device capabilities and features - Handle different form factors and resolutions |
| Implement data access and data binding | 20-25% | - Apply MVVM pattern and data binding - Access cloud and local file system data - Access data using Entity Framework - Consume REST services and JSON data |
| 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 page navigation and lifecycle events | 10-15% | - Implement navigation using Frame and navigation helpers - Manage app suspension, resuming, and activation - Choose navigation patterns (Hub, Master/Details, Tabs, Nav Pane) - Implement command bars, menus, and dialogs |
Common Questions About the Microsoft 070-357 Exam
What is the Microsoft Developing Mobile Apps exam all about?
The 070-357 exam is the official Microsoft exam behind the MCSA: Universal Windows Platform, MCSD: App Builder certification, validating the skills measured by the Microsoft Developing Mobile Apps credential. It sits at the Professional level of the Microsoft certification program. It also connects to MCSA: Universal Windows Platform, MCSD: App Builder, so the knowledge you build here carries over to those tracks as well.
How many questions are on the 070-357 exam, and how much time do I get?
The 070-357 exam contains 40-60 questions to be completed within 150 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
What score do I need to pass the 070-357 exam, and what does it cost?
The passing score for the 070-357 exam is 700 out of 1000, and the official registration fee is $165 USD (varies by region). Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 55 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Are there any prerequisites for the 070-357 exam?
Typically 2+ years of experience developing Windows apps with C# and XAML; familiarity with MVVM, Entity Framework, and authentication technologies; Visual Studio 2015+ recommended Requirements can change when Microsoft revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
How do I register for the 070-357 exam?
You can book the Microsoft Developing Mobile Apps exam through the official registration channels below:
As for delivery, the exam is offered in the following format: Proctored at authorized test centers or online proctoring; retired since Jan 31, 2021. Choose the option that suits you best when you book your seat.
What official training is recommended for the 070-357 exam?
Microsoft recommends the following training resources for the Microsoft Developing Mobile Apps exam:
Official courses build the foundation; the 55 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.
Can I try the 070-357 practice questions before I buy?
Yes. Getcertkey provides a free 070-357 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Microsoft revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the 070-357 exam, and how is my order delivered?
Every Microsoft Developing Mobile Apps purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the 070-357 exam?
The Microsoft Developing Mobile Apps exam blueprint is organized into 7 domains. The first three are:
- Implement page navigation and lifecycle events — 10-15% of the exam
- Manage user input and custom user interactions — 10-15% of the exam
- Implement notifications, background tasks, and reusable components — 15-20% of the exam
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
Microsoft Developing Mobile Apps Sample Questions:
Question #1
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.
Question #2
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.
Question #3
Hotspot Question
You are developing a Universal Windows Platform (UWP} app that processes and displays data from your company's personnel database.
Users report that one of the views in the UWP app loads slowly.
You need to optimize the load time.
How should you complete the relevant markup? To answer, select the appropriate markup segment from each list in the answer area.
Question #4
Drag and Drop Question
You need to download the bank statements and alert the user when the download is complete.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Question #5
Drag and Drop Question
You are building a Universal Windows Platform (UWP) app that displays a list of books.
The books will the displayed in a ListView control.
You are binding to a collection of type BookDataGroup.
You need to create a DataTemplate for your ListView that displays the book' s title and author.
The title must be displayed beforethe author.
Which four markup segments should you use to develop the solution? To answer, move the appropriate markup segments from thelist of markup segments to the answer area and arrange them in the correct order.
Solutions:
| Question #1 Correct Answer: Only visible for members | Question #2 Correct Answer: Only visible for members | Question #3 Correct Answer: Only visible for members | Question #4 Correct Answer: Only visible for members | Question #5 Correct Answer: Only visible for members |
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