A Microsoft certification remains one of the clearest career accelerators in IT. The Microsoft Developing Mobile Apps exam stands in the way, and the 55 practice questions at ActualPDF are the direct route through it.

Microsoft 70-357 Exam Overview:

Certification Vendor:	Microsoft
Exam Name:	Developing Mobile Apps
Exam Number:	70-357
Exam Duration:	150 minutes
Exam Format:	Drag & Drop, Multiple Response, Performance-based questions, Multiple Choice
Certificate Validity Period:	Retired (No longer available as a current exam)
Available Languages:	English, Japanese, German, Simplified Chinese, Portuguese (Brazil), French, Russian, Spanish
Real Exam Qty:	45-60
Passing Score:	700/1000
Exam Price:	USD 165 (approx.)
Related Certifications:	Microsoft Certified Solutions Developer (MCSD): App Builder
Sample Questions:
Exam Way:	Onsite (at Pearson VUE test centers) and online proctored options (when offered before retirement).
Pre Condition:	Candidates should have experience in mobile app development with C#, XAML, MVVM, Entity Framework, and Visual Studio. No formal prerequisites beyond experience.
Official Syllabus URL:	https://learn.microsoft.com/en-us/learn/certifications/exams/70-357

Microsoft 70-357 Exam Syllabus Topics:

Section	Objectives
Navigation & Lifecycle	- Evaluate custom navigation patterns - Implement page navigation and lifecycle events
Develop User Interfaces	- Develop a XAML page layout for an adaptive UI - Implement responsive and adaptive UI behaviors
Data Management	- Access cloud data and Web APIs - Implement data access and data binding
Feature Detection & Components	- Implement feature detection for adaptive coding - Implement notifications, background tasks, and reusable components
Authentication & Security	- Manage authentication and identity management
User Interaction & Controls	- Create and use custom controls - Manage user input and custom interactions

Questions and Answers About Microsoft Developing Mobile Apps

What do I earn by passing the 70-357 exam?

Microsoft Developing Mobile Apps is an official Microsoft exam, listed under exam code 70-357. A passing result earns you the MCSA-Universal Windows Platform certification at the Professional level. It also ties into Microsoft Certified Solutions Developer (MCSD): App Builder, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.

How many questions are in the 70-357 exam, and how long do I have?

Expect 45-60 questions inside 150 minutes on the Microsoft Developing Mobile Apps exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.

What is the 70-357 passing score, and how expensive is the exam?

Passing Microsoft Developing Mobile Apps requires 700/1000, and the official registration fee is USD 165 (approx.). Retakes charge the full USD 165 (approx.) again, which is why experienced candidates treat preparation as the cheaper exam fee. Verify your readiness with repeated ActualPDF practice scores above the requirement before you commit to a date.

What do I need before sitting the 70-357 exam?

Candidates should have experience in mobile app development with C#, XAML, MVVM, Entity Framework, and Visual Studio. No formal prerequisites beyond experience.

Requirements evolve, so confirm the current conditions before registering on the official exam page.

Can I preview the 70-357 questions before purchasing?

Yes. ActualPDF provides a free download demo of the Microsoft Developing Mobile Apps material, so you can check the content before choosing a version. After purchase, a one-year warranty covers you: the latest version is sent to you as it releases, free for 365 days, and after expiry you can extend the update service at a 50% discount.

What if I fail the 70-357 exam, and how fast is delivery?

Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the Microsoft Developing Mobile Apps exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.

Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, which works 7/24 and normally replies within two hours. Installation is unlimited across your computers.

What topics are covered in the 70-357 exam?

The Microsoft Developing Mobile Apps syllabus spans 6 domains, led by Feature Detection & Components, Navigation & Lifecycle, and Develop User Interfaces. The complete topic list is published above; candidates who study the map first rarely get lost later.

Microsoft Developing Mobile Apps Sample Questions:

Question 1

Hotspot Question
You need to implement the following code segment according to the requirements.
How should you complete the code? To answer, select the appropriate code segment form each list in the answer area.

Question 2

You are developing a Universal Windows Platform (UWP) app.
You need to implement remote debugging of the app on a tablet device.
What should you run on the tablet?

A. msvsmon.exe
B. al.exe
C. msbuild.exe
D. windbg.exe

Question 3

Drag and Drop Question
You are developing a Universal Windows Platform (UWP) app. The app runs on muJriplcdevice faming including desktop, Windows Phone, and Xbox.
The app must be able to access a users media playlists if the device supports this feature, If the device does not support this feature, the app must continue to function.
You need to detect whether a device supports accessing user playlists.
How should you complete the relevant code? To answer, drag the approprate code segments to the correct location or locations, Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or not at all. You may need to drag the split bar between panes or scroll to view content.

Question 4

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.

Question 5

Drag and Drop Question
You need to launch the authentication app.
How should you complete the relevant code? To answer, drag the appropriate code segments to the correct location or locations. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.