Last Updated: Oct 15, 2026
No. of Questions: 55 Questions & Answers with Testing Engine
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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Exam Format: | Performance-based items, Drag-and-drop, Case studies, Multiple-choice |
| Real Exam Qty: | 40-60 |
| Certificate Validity Period: | Retired as of January 31, 2021; certifications earned remain valid until expiration |
| Related Certifications: | MCSD: App Builder MCSA: Universal Windows Platform |
| Available Languages: | German, Chinese (Traditional), Japanese, French, Russian, English, Chinese (Simplified), Portuguese (Brazil), Spanish |
| Exam Duration: | 150 minutes |
| Passing Score: | 700 out of 1000 |
| Exam Price: | $165 USD (varies by region) |
| 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/ |
| 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 data access and data binding | 20-25% | - Access data using Entity Framework - Apply MVVM pattern and data binding - Consume REST services and JSON data - Access cloud and local file system data |
| Implement notifications, background tasks, and reusable components | 15-20% | - Build reusable libraries and components - Create and schedule background tasks - Implement app services and inter-app communication - Implement toast, tile, and badge notifications |
| Develop a XAML page layout for an adaptive UI | 10-15% | - Create and use custom controls - Select appropriate XAML layout panels - Configure grid, alignment, margins, and padding - Implement responsive and adaptive UI with VisualStateManager and AdaptiveTriggers |
| Implement feature detection for adaptive coding | 10-15% | - Detect device capabilities and features - Implement adaptive code paths - Handle different form factors and resolutions |
| Implement page navigation and lifecycle events | 10-15% | - Implement navigation using Frame and navigation helpers - Implement command bars, menus, and dialogs - Manage app suspension, resuming, and activation - Choose navigation patterns (Hub, Master/Details, Tabs, Nav Pane) |
| Manage user input and custom user interactions | 10-15% | - Integrate share contracts and app extensions - Support touch, mouse, keyboard, and pen input - Implement gestures and custom interactions |
The Microsoft Developing Mobile Apps (070-357日本語版) (exam code 070-357日本語) is the exam you pass to earn the MCSA: Universal Windows Platform, MCSD: App Builder certification, a credential at the Professional level. It is also connected with related credentials such as MCSA: Universal Windows Platform, MCSD: App Builder. If you are mapping out a certification path with Microsoft, this exam is a milestone worth planning around.
The 070-357日本語 exam includes 40-60 questions, and you have 150 minutes to complete them. With that many questions on the clock, pacing is part of the challenge: divide your time into rough blocks as you go, and flag the items that stall you so you can circle back at the end instead of burning minutes on a single question. A week or two before your exam date, sit at least one full timed session in the SureTorrent test engine under the same time limit, so the pace feels familiar rather than frantic on the day.
You need 700 out of 1000 to pass the 070-357日本語 exam, and the official registration fee is $165 USD (varies by region). That fee is due again in full for every retake, which makes thorough preparation the cheaper investment by far. Before you book your seat, test yourself with the SureTorrent practice questions until you are scoring comfortably above the passing mark on a consistent basis — it is the simplest way to avoid paying for the same exam twice.
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 can be adjusted by Microsoft over time, so before you register, confirm the current requirements on the official exam page: view the official 070-357日本語 exam information.
You can book the 070-357日本語 exam through the official registration channels below:
How the exam is taken: Proctored at authorized test centers or online proctoring; retired since Jan 31, 2021.
Microsoft lists the following official training options for candidates preparing for this exam:
Once you have worked through the training, measure your readiness with the 55 practice questions from SureTorrent — they show you exactly which topics still need attention before you book the exam.
Yes. SureTorrent offers a free PDF demo of the 070-357日本語 practice questions, so you can judge the quality of the material firsthand before paying anything. Every purchase also includes 365 days of free updates — if Microsoft changes the exam during that year, your material changes with it. And when the free update period expires, you can extend it at a 50% discount from within your member zone.
Every 070-357日本語 purchase at SureTorrent is backed by a 100% Money Back Guarantee: if you take the corresponding exam within 60 days of your purchase and do not pass, you can apply for a full refund. The guarantee has clear conditions — it does not apply if you sit the exam within 3 days of purchase, if you downloaded the material but never actually took the exam, or to free materials and expired orders, and the candidate name must match the payer name. To file a claim, send a scan of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. If you would rather not take a refund, you can exchange the product instead and receive two additional exam preparation products of equal value for free, while your original product keeps its update service. Delivery itself is instant: your material is available for download right after payment and is also sent to your email within one minute — if it has not arrived within 2 hours, contact our customer service. There is no limit on how many computers you can install it on.
The official Microsoft Developing Mobile Apps (070-357日本語版) outline divides the exam content into 7 main domains. The first three are:
That is only the headline view — scroll back up to the Exam Topics section on this page for the complete domain-by-domain breakdown before you plan your study schedule.
ホットスポットの質問
XAMLとC#を使用して、ユニバーサルWindowsプラットフォーム(UWP)アプリを開発しています。
チームメンバーは、Clickイベントに登録されたButtonSendNotification_Click()という名前のイベントハンドラーメソッドを持つボタンを含むXAMLページを作成しました。
チームメンバーによって記述された次のコードセグメントをレビューしています(参照用に行番号が追加されています)。



Correct Answer:

質問のドラッグアンドドロップ
ユニバーサルWindowsプラットフォーム(UWP)アプリを開発しています。ユーザーは、画面に画像をドラッグアンドドロップして、友人と共有できます。
アプリにドラッグアンドドロップを実装する必要があります。ユーザーは、アプリが表示する青い四角形に画像をドロップできる必要があります。
関連するマークアップをどのように完了する必要がありますか?答えるには、適切なマークアップセグメントを正しいターゲットにドラッグします。各マークアップセグメントは、1回、複数回、またはまったく使用されません。コンテンツを表示するには、ペイン間で分割バーをドラッグするか、スクロールする必要がある場合があります。
Correct Answer:

ユニバーサルWindowsプラットフォーム(UWP)アプリを開発しています。
タブレットデバイスでアプリのリモートデバッグを実装する必要があります。
タブレットで何を実行する必要がありますか?
Correct Answer: D 🗳️
ホットスポットの質問
写真を表示するアプリを開発しています。
ユーザーが写真の上にポルノトーバーを置いたときに情報テキストを表示するメソッドを作成する必要があります。
メソッドをどのように完了する必要がありますか?回答するには、回答領域の各リストから適切なコードセグメントを選択します。
Correct Answer:

ユニバーサルWindowsプラットフォーム(UWP)アプリを開発しています。
アプリは、ユーザーが一度に1つのファイルのみを選択できるようにする必要があります。
アプリが適切なダイアログウィンドウを表示することを確認する必要があります。
どの方法を使用する必要がありますか?
Correct Answer: C 🗳️
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