Learn with Microsoft : 70-357日本語 training material for 100% pass
Last Updated: Oct 13, 2026
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Microsoft 70-357日本語 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Real Exam Qty: | Approximately 40–60 |
| Related Certifications: | MCSA: Web Applications |
| Certificate Validity Period: | Retired (no longer available; certification was historically valid for 2 years) |
| Exam Duration: | 150 minutes |
| Exam Price: | USD 165 (historical, varies by region and date) |
| Available Languages: | Japanese, Spanish, Chinese (Simplified), Korean, German, French, English |
| Exam Format: | Drag and drop, Multiple response, Case studies, Multiple choice |
| Passing Score: | 700 (on a 1000 scale) |
| Recommended Training: | UWP and Windows App Development learning paths Microsoft Learn (Legacy exam training resources) |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Dashboard |
| Sample Questions: | DOWNLOAD DEMO |
| 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 70-357日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Design and develop mobile apps | - Design application UI/UX for mobile devices - Select appropriate app models and frameworks - Plan application architecture |
| Deployment and security | - Package and deploy mobile applications - Implement authentication and authorization - Ensure application security best practices |
| Implement application functionality | - Implement navigation and app lifecycle management - Develop client-side logic - Integrate APIs and services |
| Debugging, testing, and performance optimization | - Optimize performance and responsiveness - Implement testing strategies - Debug application issues |
| Data storage and management | - Work with remote data sources - Use local storage mechanisms |
Microsoft 70-357日本語 Exam: Straight Answers to Real Questions
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The passing mark for the Microsoft Developing Mobile Apps (70-357日本語版) exam is 700 (on a 1000 scale), and one attempt costs USD 165 (historical, varies by region and date). Retakes are charged at full price again, so walking in underprepared is an expensive mistake. A practical safeguard: rehearse with Exam4Labs practice questions until your timed mock scores clear 700 (on a 1000 scale) with room to spare, then book the real 70-357日本語 exam.
Registration is handled through Microsoft's official channels:
Delivery format for the exam itself: Online proctored or authorized test center (historically via Pearson VUE). Pick whichever option fits your situation when scheduling.
Microsoft structures the Microsoft Developing Mobile Apps (70-357日本語版) exam around 5 domains. The heaviest hitters are Implement application functionality, Design and develop mobile apps, Debugging, testing, and performance optimization. Start your revision where the weight is, and scroll up to the outline section on this page for the complete topic list.
The 70-357日本語 exam is the official Microsoft assessment that awards the MCSA: Web Applications (legacy / retired) certification — a credential at the Associate level. Passing it proves vendor-validated skills that employers actively look for. It belongs to a broader track that includes MCSA: Web Applications, making it a solid anchor for further certifications.
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Expect Approximately 40–60 questions within 150 minutes on the Microsoft Developing Mobile Apps (70-357日本語版) exam. Divide the two and the pace is unforgiving — there is little slack for second-guessing. Build speed deliberately: run full-length timed sessions in the Exam4Labs test engine, practice marking hard questions for review, and treat every mock as a dress rehearsal for the real 70-357日本語 exam.
Microsoft points Microsoft Developing Mobile Apps (70-357日本語版) candidates toward these official training resources:
Coursework builds understanding; the 55 practice questions for the 70-357日本語 exam from Exam4Labs then prove whether that understanding survives a real testing clock.
No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts. Because Microsoft can revise these requirements, verify the current rules on the official exam page — https://learn.microsoft.com/en-us/credentials/certifications/exams/70-357/ — before scheduling your Microsoft Developing Mobile Apps (70-357日本語版) exam.
Microsoft Developing Mobile Apps (70-357日本語版) Sample Questions:
ネットワークを構成する必要があります。
どの2つのネットワーキング技術を使用しますか？ それぞれの正解は完全な解を提示します。
- A. Custom WebSocket class
- B. Background Transfer API
- C. HttpClient class
- D. MessageWebSocket class
- E. StreamWebSocket class
Correct Answer: B,D 🗳️
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_
OAuth認証プロトコルを使用するオンラインIDプロバイダーにアプリを接続する必要があります。
アプリは、認証にWeb認証ブローカーオブジェクトを安全に使用する必要があります。
アプリがプロバイダーに登録されていることを確認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。
- A. HTTPリクエストURIを構築します。
- B. GetCurrcntApplicotionCallbackUriメソッドを呼び出します。
- C. HTTPSリクエストURIを構築します。
- D. Authenticate Asyncメソッドを呼び出します。
Correct Answer: B,D 🗳️
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. 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。 - 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. 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。
Correct Answer: D 🗳️
ユニバーサルWindowsプラットフォーム（UWPJアプリ。このアプリケーションには、次のXAMLマークアップを含むページがあります。
ユーザーは、ページの更新に時間がかかることを報告します。
同じレイアウトと機能を維持しながらページの読み込み時間を改善する必要があります。 あなたは何をするべきか？
- A. BORDER要素から02行目の属性をline03のGRID要素に移動します。 次に、02行目と11行目のBORDER要素を削除します。
- B. 行05と06のWidthプロパティの正確な値を指定します。
- C. 塗りつぶしと不透明度の属性と値をRFCTANGLEのdementから08行目のGRID要素まで03行目に移動します。 GRIDに08行目のRECTANGLE要素を削除します。 次に、RECTANGLE要素を削除します。
- D. 行012のマークアップを行03のマークアップと入れ替えます。行10のマークアップと行11のマークアップを入れ替えます。
Correct Answer: C 🗳️
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