Practice that doesn't feel like the exam doesn't prepare you for the exam. The Microsoft Developing Mobile Apps online engine from DumpsTorrent simulates the real 070-357 test — set your own time limits and rehearse until the format holds no fear before your 2026 test date.
Microsoft 070-357 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Related Certifications: | MCSA: Web Applications |
| Real Exam Qty: | Approximately 40–60 |
| Passing Score: | 700 (on a 1000 scale) |
| Certificate Validity Period: | Retired (no longer available; certification was historically valid for 2 years) |
| Exam Price: | USD 165 (historical, varies by region and date) |
| Available Languages: | Korean, Japanese, Spanish, English, Chinese (Simplified), French, German |
| Exam Duration: | 150 minutes |
| Exam Format: | Case studies, Drag and drop, Multiple choice, Multiple response |
| 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: | ![]() |
| 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/ |
Microsoft 070-357 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data storage and management | - Work with remote data sources - Use local storage mechanisms |
| Design and develop mobile apps | - Plan application architecture - Select appropriate app models and frameworks - Design application UI/UX for mobile devices |
| Debugging, testing, and performance optimization | - Debug application issues - Optimize performance and responsiveness - Implement testing strategies |
| Deployment and security | - Package and deploy mobile applications - Implement authentication and authorization - Ensure application security best practices |
| Implement application functionality | - Develop client-side logic - Integrate APIs and services - Implement navigation and app lifecycle management |
070-357 Exam FAQ — Everything Before You Buy
The Microsoft Developing Mobile Apps is one of Microsoft's influential certification exams — pass it and you earn the MCSA: Web Applications (legacy / retired) certification (Associate level). Among IT workers it's a popular way to prove professional knowledge in the field. It also connects with related credentials such as MCSA: Web Applications.
Yes — download the free 070-357 demo and judge the question quality with your own eyes before paying. Every purchase then includes 365 days of free updates, and an expired update period can be extended at 50% off.
No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts. Because these requirements change over time, double-check the current criteria on the official exam page (official 070-357 exam information) before you book.
The vendor recommends:
Training is a solid foundation — but practice is the proof. Follow up any course with the 070-357 practice questions from DumpsTorrent to see whether you're truly exam-ready.
Register through the vendor's official channels:
The exam is offered Online proctored or authorized test center (historically via Pearson VUE) — pick what suits you when you book.
Approximately 40–60 questions inside 150 minutes. The hidden skill here is pacing: know your per-question budget, skip and return rather than stall, and rehearse with the DumpsTorrent online test engine — you can set the timer yourself to mimic real exam pressure, on any device, whenever spare time appears.
Delivery is instant — after successful payment, our system automatically emails the product to your mailbox within a minute, with download access right away and no installation limits; contact our 24/7 customer assistance if 2 hours pass with nothing. If you fail: take the corresponding 070-357 exam within 60 days of purchase and submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam — the full refund is processed within 7 days. Exclusions: exams taken within 3 days of purchase, name mismatches between candidate and payer, and free or expired products. Or exchange for two equal-value exam products free, keeping your updates.
The official Microsoft Developing Mobile Apps blueprint contains 5 domains, including Deployment and security, Data storage and management, Debugging, testing, and performance optimization. The weightings tell you where the exam's points live — allocate your spare time to match. The complete outline above has every domain and subtopic.
You'll need 700 (on a 1000 scale) to pass, and the official fee is USD 165 (historical, varies by region and date) per attempt — every retake bills the full amount again. Practicing with the 55 questions from DumpsTorrent until your scores are consistently comfortable is how you pay that fee once.
Microsoft Developing Mobile Apps Sample Questions:
You are developing a Universal Windows Platform (UWP) app by using Microsoft Visual Studio.
The app will use the AdMediatorControl control.
You need to select the ad providers that will be used by the app.
What should you add to the app?
- A. Reference
- B. Connected Service
- C. Service Reference
- D. Azure API App Client
Correct Answer: B 🗳️
You must create a project for shared code.
Solution: You implement the shared code in a Shared Project.
Does this meet the goal?
- A. Yes
- B. No
Correct Answer: A 🗳️
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.
Correct Answer:

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:

Drag and Drop Question
You are developing a Universal Windows Platform (UWP) a pp.
The app has the following requirements:
- Users must be able to authenticate with the app by using a third-
party OAuth provider .
- Users must have the option of using Single Sign-On.
You obtain the security identifier (SID) for the app from the Windows Dev Center.
You need to implement authentication for the app.
In which order should you perform the actions? To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.
Correct Answer:







