- Exam Code: 070-357J
- Exam Name: Developing Mobile Apps (070-357日本語版)
- Updated: Sep 13, 2026
- Q & A: 55 Questions and Answers
Short on time before your 070-357日本語 exam date? Actual4Dumps packs 55 focused practice questions for the Microsoft Developing Mobile Apps (070-357日本語版) into a format you can work through whenever a spare hour appears, so even a busy schedule is no excuse.
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Exam Format: | Performance-based items, Drag-and-drop, Multiple-choice, Case studies |
| Exam Price: | $165 USD (varies by region) |
| Related Certifications: | MCSA: Universal Windows Platform MCSD: App Builder |
| Certificate Validity Period: | Retired as of January 31, 2021; certifications earned remain valid until expiration |
| Exam Duration: | 150 minutes |
| Passing Score: | 700 out of 1000 |
| Real Exam Qty: | 40-60 |
| Available Languages: | French, Chinese (Traditional), German, Chinese (Simplified), English, Spanish, Portuguese (Brazil), Japanese, Russian |
| 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/ |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement page navigation and lifecycle events | 10-15% | - Implement command bars, menus, and dialogs - Manage app suspension, resuming, and activation - Choose navigation patterns (Hub, Master/Details, Tabs, Nav Pane) - Implement navigation using Frame and navigation helpers |
| Topic 2: 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 |
| Topic 3: Implement feature detection for adaptive coding | 10-15% | - Detect device capabilities and features - Handle different form factors and resolutions - Implement adaptive code paths |
| Topic 4: Manage authentication and identity management | 10-15% | - Implement authorization and role-based access - Implement Microsoft Account and Azure AD authentication - Manage tokens and secure storage |
| Topic 5: Implement notifications, background tasks, and reusable components | 15-20% | - Create and schedule background tasks - Implement app services and inter-app communication - Build reusable libraries and components - Implement toast, tile, and badge notifications |
| Topic 6: Develop a XAML page layout for an adaptive UI | 10-15% | - Implement responsive and adaptive UI with VisualStateManager and AdaptiveTriggers - Configure grid, alignment, margins, and padding - Create and use custom controls - Select appropriate XAML layout panels |
| Topic 7: Implement data access and data binding | 20-25% | - Access cloud and local file system data - Apply MVVM pattern and data binding - Consume REST services and JSON data - Access data using Entity Framework |
The Microsoft Developing Mobile Apps (070-357日本語版) is the official Microsoft exam that leads to the MCSA: Universal Windows Platform, MCSD: App Builder certification at the Professional level. Passing it validates your skills against Microsoft standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as MCSA: Universal Windows Platform, MCSD: App Builder, so it can serve as a solid step in a broader certification path.
The 070-357日本語 exam has 40-60 questions in total and must be completed within 150 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 150 minutes limit, and repeat until you can finish with a few minutes left for review.
The passing score for the 070-357日本語 exam is 700 out of 1000, and the official registration fee is $165 USD (varies by region). Keep in mind that a failed attempt is not discounted — retaking the exam means paying the full fee again — so it is wise not to book your seat until your practice scores sit comfortably above the passing mark. Working through the 55 questions at Actual4Dumps in timed mode is a reliable way to judge when you are truly ready.
Microsoft sets the following requirement for the 070-357日本語 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. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://learn.microsoft.com/en-us/credentials/certifications/exams/70-357/ before you register.
You can register for the Microsoft Developing Mobile Apps (070-357日本語版) through the following official channels:
The 070-357日本語 exam is delivered as Proctored at authorized test centers or online proctoring; retired since Jan 31, 2021, so review the technical and check-in requirements for that format when you schedule your appointment.
Microsoft recommends the following official training options for the Microsoft Developing Mobile Apps (070-357日本語版):
Official courses build the theory, and pairing them with the 55 practice questions from Actual4Dumps turns that knowledge into exam-ready answers.
Yes. Actual4Dumps offers a free PDF demo for the Microsoft Developing Mobile Apps (070-357日本語版), so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.
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The Microsoft Developing Mobile Apps (070-357日本語版) is organized into 7 domains. Among the first ones are Implement feature detection for adaptive coding (10-15%), Implement data access and data binding (20-25%), Implement page navigation and lifecycle events (10-15%), and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full 070-357日本語 exam outline above on this page.
あなたは、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。
ユーザーがマウスホイールを回転させると、ScrollViewerのスクロールバーを移動するソリューションを提供する必要があります。
実行すべき2つのアクションはどれですか?それぞれの正解は、ソリューションの一部を示しています。
Correct Answer: B,E 🗳️
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。
アプリはファイルをユーザーのデバイスに保存します。
ユーザーが生成した新しいファイルで既存のファイルを置き換えることができる必要があります。
解決策:StorageFileを実行します。既存のファイルを置き換えるOpenSequentialReadAsyncメソッド。
これは目標を達成していますか?
Correct Answer: B 🗳️
質問のドラッグアンドドロップ
ストレージ要件を満たす必要があります。
どの3つのアクションを順番に実行する必要がありますか?回答するには、回答領域のリストから適切なアクションを移動し、正しい順序に並べます。
Correct Answer:

あなたは路傍支援モバイルアプリを設計しています。 アプリはページへのリンクの永続的なリストを表示します。 アプリはページへのリンクの永続的なリストを表示します。 このページは、appのさまざまなビュー間を素早く移動する方法を提供します。
次の要件を満たすユーザーインターフェイスパターンを推奨する必要があります。
*ユーザが頻繁にアクセスされる別個のコンテンツカテゴリにナビゲートできるようにする。
*対応するカテゴリヘッダーを持つ2つ以上のコンテンツポーンを提供します。
*ナビゲーションコントロールを画面上部に表示します。
*現在選択されているナビゲーションコントロールを強調表示します。
どのパターンをお勧めしますか?
Correct Answer: A 🗳️
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。
ユーザーがアプリを終了します。
ユーザーがアプリを起動したときにアプリが初期化されるように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?答えるには、適切なコードセグメントを正しい場所にドラッグします。各コードセグメントは、1回、複数回、またはすべてではなく使用できます。
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:

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