Microsoft 070-357日本語 : Developing Mobile Apps (070-357日本語版)
- Exam Code: 070-357日本語
- Exam Name: Developing Mobile Apps (070-357日本語版)
- Updated: Nov 04, 2026
- Q & A: 55 Questions and Answers
About Microsoft 070-357日本語 Exam
Three versions exist so you can match the tool to your situation. Commute reader, home simulator, browser practitioner — the VCETorrent 070-357日本語 package adapts, with identical 55 practice questions throughout.
Microsoft 070-357日本語 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Exam Price: | USD 165 (historical, varies by region and date) |
| Available Languages: | Chinese (Simplified), Japanese, French, English, Spanish, German, Korean |
| Related Certifications: | MCSA: Web Applications |
| Real Exam Qty: | Approximately 40–60 |
| Passing Score: | 700 (on a 1000 scale) |
| Certificate Validity Period: | Retired (no longer available; certification was historically valid for 2 years) |
| Exam Format: | Case studies, Drag and drop, Multiple response, Multiple choice |
| Exam Duration: | 150 minutes |
| Recommended Training: | Microsoft Learn (Legacy exam training resources) UWP and Windows App Development learning paths |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Dashboard |
| Sample Questions: |  |
| Exam Way: | Online proctored or authorized test center (historically via Pearson VUE) |
| Pre Condition: | No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/70-357/ |
Microsoft 070-357日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data storage and management | - Work with remote data sources - Use local storage mechanisms |
| Topic 2: Design and develop mobile apps | - Plan application architecture - Select appropriate app models and frameworks - Design application UI/UX for mobile devices |
| Topic 3: Implement application functionality | - Integrate APIs and services - Implement navigation and app lifecycle management - Develop client-side logic |
| Topic 4: Debugging, testing, and performance optimization | - Optimize performance and responsiveness - Implement testing strategies - Debug application issues |
| Topic 5: Deployment and security | - Ensure application security best practices - Package and deploy mobile applications - Implement authentication and authorization |
070-357日本語 Exam FAQ — Career, Convenience, Current News
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The Microsoft Developing Mobile Apps (070-357日本語版) exam contains Approximately 40–60 to complete within 150 minutes. Timed simulation in the VCETorrent Desktop Test Engine teaches that rhythm before exam day does.
Online proctored or authorized test center (historically via Pearson VUE) Register for the Microsoft Developing Mobile Apps (070-357日本語版) exam through these official channels:
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The Microsoft Developing Mobile Apps (070-357日本語版) exam requires 700 (on a 1000 scale) to pass, and registration costs USD 165 (historical, varies by region and date). A failed attempt means paying the same fee again — a readiness check with the VCETorrent engines before booking is the cheaper option.
The 070-357日本語 exam is a Microsoft certification exam validating the Microsoft Developing Mobile Apps (070-357日本語版) syllabus shown above. It belongs to these credential paths: MCSA: Web Applications. Candidates in 2026 start with VCETorrent's 55 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts. Since requirements change over time, confirm the latest on the official Microsoft exam page before scheduling.
The official Microsoft Developing Mobile Apps (070-357日本語版) outline defines 5 domains. The leading three are Debugging, testing, and performance optimization, Data storage and management, and Design and develop mobile apps. The full list is in the topics section above, and VCETorrent's 55 practice questions cover each one.
Microsoft recommends these training resources for the Microsoft Developing Mobile Apps (070-357日本語版) exam:
Follow the training with steady self-testing — the 55 practice questions from VCETorrent help you apply theory and fill any gaps the training leaves.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 55 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Microsoft Developing Mobile Apps (070-357日本語版) Sample Questions:
アプリの認証を設定する必要があります。
どの2つのテクノロジーを使用しますか？ それぞれの正しい答えは、解の一部を表します。
- A. Azure Active Directory
- B. Windows Hello
- C. Microsoft Passport
- D. Windows Kerberos
Correct Answer: B 🗳️
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:
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. 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。
- B. 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。
- C. 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。
- D. 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。
Correct Answer: A 🗳️
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？
- A. はい
- B. いいえ
Correct Answer: B 🗳️
ホットスポットの質問
要件に応じて、次のコードセグメントを実装する必要があります。
どのようにコードを完成させるべきですか？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:
Topic 3, Fabrikaminc
Background
Fabrikam is a commercial bank. The primary customers are individuals and employers with up to
10,000 employees. Fabrikam provides Internet banking services to customers. You are developing a Universal Windows Platform (UWP) app for Fabrikam that extends the Internet banking to a UWP app.
Business Requirements
Core functionality
Users must be able to access accounts, view balances, view recent transactions, and deposit checks by using the UWP app.
Usability
The app must us industry proven design patterns across the app. All navigational elements must be visible at all times.
Security
The app must provide secure transactions to protect customer privacy.
Technical Requirements
Data
The app must use a file based database. You must use a code first entity framework approach.
User interface
You must use a Model-View-ViewModel (MVVM) pattern.
Users must be able to access all content through the top-level navigation after they sign in.
The app must allow the user to upload up to 50 images (front and back) of checks to deposit.
During the upload process, the app must be responsive to any other user actions.
The app must only upload images when no other pending inputs are in the queue.
You must implement the following pages:
Network and web service
The app must meet the following requirements related to networking and web services:
- Connect to a web service over a secure HTIP connection to upload
images.
- Connect to Fabrikam's core web service to retrieve account
information.
- Use networking technology already available in the .Net Framework.
- Consume the JSON that the Fabrikam core web service provides.
User data and alerts
The app must meet the following requirements related to user data and alerts:
- Download new monthly bank statements when possible.
- The download process must not affect the performance of the app.
Network and web service
The app must meet the following requirements related to networking and web services:
- Connect to a web service over a secure HTIP connection to upload
images.
- Connect to Fabrikame's core web service to retrieve account
information.
- Use networking technology already available in the .Net Framework.
- Consume the JSON that the Fabrikam core web service provides.
User data and alerts
The app must meet the following requirements related to user data and alerts:
- Download new monthly bank statements when possible. The download
process must not affect the performance of the app.
- Report to the user when the statements are downloaded to the device .
- Write a log entry when statements downloads are not successful.
- Periodically check for user activity and automatically log the user
out when there is no activity for more than 15 minutes.
Security:
The app must meet the following requirements related to security:
- Use a multi-factor authentication (MFA) by using email and a
verification code to identify the user.
- Security store credentials and retrieve credentials. Automatically
sign in the user irrespective of the device that is used to sign in to
the app.
- Store the resource name within the app itself.
- Connect to an authentication app by using the URI schema fabrikam-
secutity://oauth.AccountContext.cs
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 prefix that denotes the specific file to which they belong.
lmageMeanger.cs
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 prefix that denotes the specific file to which they belong.
ClientProxy.cs
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 prefix that denotes the specific file to which they belong.
BkgTaskMgr.cs
CredentialManagers.cs
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 prefix that denotes the specific file to which they belong.
Main Page.cs
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 prefix that denotes the specific file to which they belong_
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