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Last Updated: Oct 15, 2026

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In 2026, new opportunities still favor the certified. The Microsoft Developing Mobile Apps (70-357日本語版) is how you position yourself to grasp them, and SurePassExams is how you prepare: 55 practice questions for the 70-357日本語 exam from a team that treats accuracy as a process, not a slogan.

Microsoft 70-357日本語 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Develop a XAML page layout for an adaptive UI10-15%- Implement responsive and adaptive UI with VisualStateManager and AdaptiveTriggers
- Select appropriate XAML layout panels
- Create and use custom controls
- Configure grid, alignment, margins, and padding
Topic 2: Implement page navigation and lifecycle events10-15%- Manage app suspension, resuming, and activation
- Implement command bars, menus, and dialogs
- Choose navigation patterns (Hub, Master/Details, Tabs, Nav Pane)
- Implement navigation using Frame and navigation helpers
Topic 3: Implement feature detection for adaptive coding10-15%- Handle different form factors and resolutions
- Implement adaptive code paths
- Detect device capabilities and features
Topic 4: Manage user input and custom user interactions10-15%- Implement gestures and custom interactions
- Integrate share contracts and app extensions
- Support touch, mouse, keyboard, and pen input
Topic 5: Implement notifications, background tasks, and reusable components15-20%- Implement toast, tile, and badge notifications
- Create and schedule background tasks
- Build reusable libraries and components
- Implement app services and inter-app communication
Topic 6: Implement data access and data binding20-25%- Access cloud and local file system data
- Consume REST services and JSON data
- Apply MVVM pattern and data binding
- Access data using Entity Framework
Topic 7: Manage authentication and identity management10-15%- Manage tokens and secure storage
- Implement Microsoft Account and Azure AD authentication
- Implement authorization and role-based access

Your Microsoft Developing Mobile Apps (70-357日本語版) Questions, Answered Clearly

The 70-357日本語 exam — officially the Developing Mobile Apps (70-357日本語版) — is Microsoft's certification exam for professionals who work with its technologies, and passing it awards the MCSA: Universal Windows Platform, MCSD: App Builder certification at the Professional level. Vendor-issued credentials like this one remain among the clearest signals of skill a resume can carry. It also connects naturally to MCSA: Universal Windows Platform, MCSD: App Builder as a next step.

Yes — SurePassExams offers a free PDF demo of the 70-357日本語 practice questions so you can inspect the question quality and verified answers before paying anything. Once you purchase, 365 days of free updates are included, and if the product expires, the update service renews at a 50% discount from your member zone.

Passing the 70-357日本語 exam requires 700 out of 1000, and the official registration fee is $165 USD (varies by region). That fee buys a single attempt — a retake is charged at full price again. The smart sequence is to rehearse first: cycle through 55 practice questions at SurePassExams under timed conditions until your scores clear the passing mark with margin, then book.

The Microsoft Developing Mobile Apps (70-357日本語版) blueprint comprises 7 domains, led by Manage authentication and identity management (10-15%), Develop a XAML page layout for an adaptive UI (10-15%), and Implement notifications, background tasks, and reusable components (15-20%). The complete weighted syllabus is in the section above — accurate preparation starts with knowing exactly what the exam weights most.

Microsoft recommends the following training for the Microsoft Developing Mobile Apps (70-357日本語版):

Courses build understanding; carefully compiled practice builds accuracy under pressure. Combine either resource above with 55 practice questions from SurePassExams and your preparation covers both.

Typically 2+ years of experience developing Windows apps with C# and XAML; familiarity with MVVM, Entity Framework, and authentication technologies; Visual Studio 2015+ recommended

Vendor criteria evolve, so before you schedule anything, verify the latest requirements on the official Microsoft exam page.

Registration for the Microsoft Developing Mobile Apps (70-357日本語版) runs through these official channels:

Worth noting when you book: the 70-357日本語 exam is delivered Proctored at authorized test centers or online proctoring; retired since Jan 31, 2021.

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Expect 40-60 questions inside 150 minutes on the 70-357日本語 exam. The clock is the quiet examiner: knowing the content is not enough if pacing fails you. Rehearse with the SurePassExams Windows software or online engine in timed mode — the smooth, stable interface means nothing technical distracts you while you build your rhythm.

Microsoft Developing Mobile Apps (70-357日本語版) Sample Questions:

Question #1

XAMLとC#を使用するユニバーサル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Model-View-ViewModel(MVVM)パターンを使用する必要があります。
ユーザーインターフェイス(UI)はイベントをトリガーします。
イベントをビューモデルメソッドにバインドする必要があります。
あなたは何をするべきか?

  • A. カスタム動作を作成し、その動作をUI要素に添付します。ビヘイビアーのイベントトリガーを、ビューモデルで宣言されたコマンドにバインドします。
  • B. IValueConverterインターフェイスを実装する新しいクラスを作成します。
    XAMLでクラスを新しいリソースとして定義するStatic Resource Markup Extensionを使用して、ビューモデルメソッドにアクセスします。
  • C. UI要素の新しい基本クラスを作成します。基本クラスを更新して、ビューモデル内のメソッドを呼び出します。
  • D. タイプ!Commandの添付プロパティを作成し、UI要素のイベントを添付プロパティにバインドします。
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

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. いいえ
  • B. はい
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

質問のドラッグアンドドロップ
銀行取引明細書をダウンロードし、ダウンロードが完了したらユーザーに警告する必要があります。
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、適切なアクションをアクションのリストから回答エリアに移動し、正しい順序で並べます。

Reveal Solution  Discussion  0

Correct Answer:

Question #4

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。

Reveal Solution  Discussion  0

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.

Question #5

ホットスポットの質問
オーディオ録音を再生するユニバーサルWindowsプラットフォーム(UWP)アプリを開発しています。
ユーザーがスライダーコントロールを使用してアプリの音量レベルを設定できるページを作成しています。
スライダーのすぐ下のTextBoxに音量レベルを表示する必要があります。
スライダーの値を数値に変換するVolumeConverterという名前のC#クラスがあります。
次のマークアップを含むページがあります。

以下の各ステートメントについて、ステートメントが真である場合は「はい」を選択します。それ以外の場合は、「いいえ」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。

Reveal Solution  Discussion  0

Correct Answer:

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