Exam Name: Developing Mobile Apps (70-357日本語版)
Certification Provider: Microsoft
Corresponding Certification: MCSA-Universal Windows Platform
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Last Updated: Sep 19, 2026
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A Microsoft Developing Mobile Apps (70-357日本語版) credential carries weight because Microsoft sets the standards employers trust. Fast2test helps you earn it with 55 expert-written 70-357日本語 practice questions, reviewed and refreshed for 2026.
Microsoft 70-357日本語 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Related Certifications: | Microsoft Certified Solutions Developer (MCSD): App Builder |
| Real Exam Qty: | 45-60 |
| Exam Format: | Multiple Choice, Drag & Drop, Performance-based questions, Multiple Response |
| Exam Duration: | 150 minutes |
| Passing Score: | 700/1000 |
| Available Languages: | Spanish, Simplified Chinese, German, Russian, English, Japanese, Portuguese (Brazil), French |
| Exam Price: | USD 165 (approx.) |
| Certificate Validity Period: | Retired (No longer available as a current exam) |
| Sample Questions: | Microsoft 70-357日本語 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日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Authentication & Security | - Manage authentication and identity management |
| Topic 2: Data Management | - Implement data access and data binding - Access cloud data and Web APIs |
| Topic 3: User Interaction & Controls | - Create and use custom controls - Manage user input and custom interactions |
| Topic 4: Navigation & Lifecycle | - Evaluate custom navigation patterns - Implement page navigation and lifecycle events |
| Topic 5: Feature Detection & Components | - Implement notifications, background tasks, and reusable components - Implement feature detection for adaptive coding |
| Topic 6: Develop User Interfaces | - Implement responsive and adaptive UI behaviors - Develop a XAML page layout for an adaptive UI |
Microsoft Developing Mobile Apps (70-357日本語版) Exam FAQs and Straight Answers
The 70-357日本語 exam, officially titled Developing Mobile Apps (70-357日本語版), is the qualifying test for the MCSA-Universal Windows Platform certification from Microsoft, a credential at the Professional level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as Microsoft Certified Solutions Developer (MCSD): App Builder.
The Microsoft Developing Mobile Apps (70-357日本語版) exam gives you 150 minutes to work through 45-60 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the Fast2test test engine — when the clock feels familiar, it stops being a threat.
You need 700/1000 to pass, and the official registration fee is USD 165 (approx.). Fall short and you pay that fee in full again for every retake, which makes solid preparation the cheaper option by far. Work through the Fast2test practice questions until you score comfortably above the passing mark, then book your seat.
Candidates should have experience in mobile app development with C#, XAML, MVVM, Entity Framework, and Visual Studio. No formal prerequisites beyond experience. Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page: Microsoft 70-357日本語 exam overview.
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The Microsoft Developing Mobile Apps (70-357日本語版) syllabus is organized into 6 domains. The main areas include Authentication & Security, Feature Detection & Components, and Navigation & Lifecycle. Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.
Microsoft Developing Mobile Apps (70-357日本語版) Sample Questions:
あなたは、LitWare、Inc.のユニバーサルWindowsプラットフォーム（UWP）アプリの開発者です。
アプリ内のハードウェアへのアクセスが正しく機能していません。
package.appmanifestファイルに機能を追加する必要があります。
行PM16に挿入するマークアップセグメントはどれですか？
- A.
- B.
- C.
- D.
Correct Answer: A 🗳️
ホットスポットの質問
ユーザーインターフェイスオブジェクトのサイズを適切に処理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。注：それぞれの正しい選択には1ポイントの価値があります。
Correct Answer:
Topic 2, Background
You are developing a Universal Windows Platform (UWP) app for LitWare, Inc. that will assist video artists. The app allows artists to create videos, share videos through other mobile apps, and upload the videos through LitWare, Inc's web services. What helps set LitWarelnc's app apart from competitors is their focus on speed and performance.
Business requirements
Support many devices
Users may have phones, tablets, or laptops. The app must support all devices with a fluid layout that grows off-screen and adapts to each device.
Record video
Users must be able to record videos and view them in their videos library .
The app must display information about the recorded video .
Users must be able to edit the upload queue in the app.
Branding
The app must allow deferral and scheduling of video uploads.
Users must be able to view the status of video uploads.
Any videos created with this app or shared with this app must be uploaded without user interaction.
Download video
The app must have the option to automatically download videos.
Users must be able to initiate downloading of videos.
Share video
The app must allow be allowed to receive videos from other apps.
Technical requirements
Application structure
Technical requirements
Support multiple devices
The app must support the following:
- Use horizontal layout for larger screens .
- Use vertical layout for smaller screens .
- Use one layout control per view.
The app must be compatible with current and future XBOX app that use C++.
Uploading and downloading
The app must use a background operations to upload and download videos.
Code reuse
The app must use a common pool of XAML resources and custom controls.
All custom controls must use a consistent theme throughout the app.
You must create code that can be reused in C++, C#, JavaScript, whenever possible.
The app must call the background service to avoid duplication of code.
Security
End users must be authenticated using OAuth.
Web services must be authenticated.
Users must have the option to use single sign-on.
Recording
The app must use the microphone and webcam to support audio and video recording. In addition, the app must support the use of the back camera buttons, if present.
Integration:
Other apps must be able to share videos with this app through a Universal Windows Platform (UWP) Architecture and coding style The app must follow the Model-View-ViewModel (MVVM) pattern.
The app's user interface (UI) must be optimized for performance.
The app must use compile time coding techniques over runtime.
Package appxmanifest
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.
Background Task
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.
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？
- A. tabs and pivots
- B. master/details
- C. active canvas
- D. hub
Correct Answer: D 🗳️
質問のドラッグアンドドロップ
写真を撮るユニバーサルWindowsプラットフォーム（UWP）アプリを作成しています。
写真を撮るためにカメラの内蔵インターフェースを使用したい場合。
デバイスの内蔵カメラから画像をキャプチャ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:
共有コード用のプロジェクトを作成する必要があります。
解決策：共有コードを.NETクラスライブラリに実装します。
これは目標を達成していますか？
- A. はい
- B. いいえ
Correct Answer: B 🗳️
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