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Salesforce DEX-450日本語 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Programmatic Development using Apex and Visualforce in Lightning Experience |
| Exam Number: | DEX-450 |
| Exam Price: | $200 USD |
| Related Certifications: | Salesforce Certified Administrator Platform Developer II (PDII) |
| Certificate Validity Period: | 2 years (for certification) |
| Passing Score: | 68% |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | English |
| Real Exam Qty: | 60 |
| Sample Questions: |  |
| Exam Way: | In-person testing center or online proctored exam |
| Pre Condition: | No formal prerequisites, but recommended: 1-2 years Apex development experience, completion of Salesforce Developer Beginner and Intermediate Trailhead modules |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platform-developer-exam |
Salesforce DEX-450日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Apex Transaction Management | 10% | - Governor Limits
|
| Topic 2: Asynchronous Apex | 10% | - Batch Apex
|
| Topic 3: Working with Data - SOQL and SOSL | 15% | - SOQL (Salesforce Object Query Language)
|
| Topic 4: Apex Triggers | 12% | - Trigger Syntax and Context Variables
|
| Topic 5: Apex Classes and Interfaces | 12% | - Apex Classes
|
| Topic 6: Visualforce Pages | 8% | - VF Standard Components
|
| Topic 7: Apex Testing | 13% | - Testing Best Practices
|
| Topic 8: Apex Fundamentals | 10% | - Apex Primitives
|
Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) (DEX-450日本語) — Questions Candidates Actually Ask
The DEX-450日本語 exam, officially known as Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版), is the Salesforce test that leads to the Salesforce Developer certification at the Platform Developer I level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Platform Developer II (PDII), Salesforce Certified Administrator.
The DEX-450日本語 exam contains 60 questions, and you have 120 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the DEX-450日本語 exam is 68%, and the official registration fee is $200 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
No formal prerequisites, but recommended: 1-2 years Apex development experience, completion of Salesforce Developer Beginner and Intermediate Trailhead modules
Entry requirements can change, so confirm the latest conditions on the official exam page: https://trailhead.salesforce.com/credentials/platform-developer-exam.
Yes. A free PDF demo of the Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding DEX-450日本語 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) outline is organized into 8 domains. The first three are:
- Apex Transaction Management — 10% of the exam
- Apex Fundamentals — 10% of the exam
- Apex Classes and Interfaces — 12% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) Sample Questions:
次の Apex コードを参照してください。
デバッグ ログに書き込まれるときの値は何ですか?
- A. 1
- B. 3
- C. 2
- D. 0
ジャンクション オブジェクトのレコードを更新するには、どの 2 つの設定を定義する必要がありますか?
2つの回答を選択してください
- A. プライマリリレーションシップの読み取り/書き込みアクセス
- B. ジャンクションオブジェクトへの読み取り/書き込みアクセス
- C. セカンダリ関係の読み取り/書き込みアクセス
- D. プライマリ関係の読み取りアクセス
開発者は、Sortable および Drawable インターフェースで定義された機能を提供する DrawList クラスを作成する必要があります。
正しい実装はどれですか?
- A.
- B.
- C.
- D.
開発者はサンドボックス内の Lightning Web コンポーネントのバグを修正するために何を使用すればよいでしょうか?
- A. 匿名実行
- B. VSコード
- C. Force.com IDE
- D. 開発者コンソール
Universal Containers は最近、Classic から Lightning Experience に移行しました。
ビジネス プロセスの 1 つでは、ユーザーが商談の詳細ページでカスタム ボタンを押したときに、商談オブジェクトからの特定の値が HTTP REST コールアウトを介して外部の注文管理システムに送信されることが必要です。値の例は次のとおりです。
* 名前
*額
* アカウント
ビジネス要件を満たすために開発者が実装する必要がある 2 つの方法はどれですか?
2つの回答を選択してください
- A. HTTP REST コールアウトを実行する Lightning コンポーネントのクイックアクションを作成し、Lightning アクションを使用して商談の詳細ページでコンポーネントを公開します。
- B. Opportunity オブジェクトにリモートアクションを作成し、Opportunity が更新されるたびに HTTP REST コールアウトを実行する Apex 即時アクションを実行します。
- C. HTTP REST コールアウトを実行するカスタム Visualforce クイックアクションを作成し、Visualforce クイックアクションを使用して商談の詳細ページでコンポーネントを公開します。
- D. Opportunity オブジェクトに、@future (Callout=true) を使用してヘルパー メソッドを呼び出して HTTP REST コールアウトを実行する更新後トリガーを作成します。
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