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Salesforce PDII-JPN Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: User Interface20%- Describe the use cases for the different Lightning Web Component lifecycle hooks.
- Describe the use cases for the different Aura component bundle files.
- Describe the use cases for component events and application events.
- Describe the process for creating Lightning Web Components.
- Given a scenario, identify the correct communication mechanism.
- Describe the nuances of the component communication patterns.
- Describe the nuances of event propagation in Aura and Lightning Web Components.
- Describe the use cases for the Lightning Data Service.
- Describe the process for creating Aura components.
Topic 2: Performance18%- Describe the common performance issues for user interfaces and the techniques to mitigate them.
- Describe the considerations for query performance.
- Describe the performance implications of the different trigger types.
- Describe the performance implications of the different asynchronous Apex features.
Topic 3: Testing, Debugging, and Deployment20%- Describe the best practices for testing Apex.
- Describe the nuances of testing Apex triggers.
- Describe the process for debugging Apex.
- Describe the nuances of testing Lightning Web Components.
- Describe the nuances of testing Visualforce controllers.
- Describe the nuances of testing Aura components.
- Describe the process for debugging Aura and Lightning Web Components.
- Describe the process for deploying Salesforce applications.
- Given a scenario, identify the appropriate test setup logic.
Topic 4: Process Automation, Logic, and Integration27%- Describe the nuances of SOQL for loops.
- Describe the use cases for the ConnectApi classes.
- Describe the use cases for and nuances of Apex managed sharing.
- Describe the use cases for the Batchable interface.
- Describe the nuances of Apex triggers.
- Describe the use cases for and implications of the order of execution.
- Describe the use cases for Platform Events.
- Describe the use cases for the publish-subscribe pattern.
- Describe the use cases for the Schedulable interface.
- Describe the use cases for the Queueable interface.
- Given a scenario, identify the appropriate asynchronous Apex feature.
- Describe the use cases for the Callable interface.
Topic 5: Advanced Developer Fundamentals15%- Identify the best practices for writing Apex triggers.
- Describe the relationship between Apex transactions, the save order of execution, and the potential for recursion and/or cascading.
- Use the sObject describe result and field describe result to get information about sObjects and fields.
- Given a scenario, identify the use of custom metadata and custom settings.
- Describe the nuances of Apex sharing rules and the difference between declarative and programmatic sharing.
- Describe the capabilities of the Schema.describeSObjects() method.
- Describe the use cases for the System.Limits Apex methods.
- Describe the capabilities of the Schema.describeTabs() method.

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Salesforce PDII-JPN Prüfungsfragen mit Lösungen (Q40-Q45):

40. Frage
組織には、取引先責任者と取引先のアドレスが保存されるたびに、Apex コードによって会社標準に正規化される必要があるという要件があります。
これを実装する最適な方法は何ですか?

Antwort: B

Begründung:
Apex triggers on Contact and Account with a helper class is the best practice for code reuse and maintaining clean trigger logic.References: Apex Developer Guide - Triggers and Order of Execution


41. Frage
Aura コンポーネントから呼び出される以下の Apex コントローラを考えてみましょう。
5行目 @AuraEnabled
6行目 public List<String> getStringArray() {
7行目 String[] arrayltems = new String[]{ 'red', 'green', 'blue' };
8行目 return arrayltems;
9行目 }
10行目}
このコードの何が問題なのでしょうか?

Antwort: D

Begründung:
When building Apex controllers for Aura Components (or Lightning Web Components), any method annotated with @AuraEnabled must be defined as static. The snippet provided defines the method getStringArray() as an instance method (public List<String>...) rather than a static method (public static List<String>...).
The Lightning Component framework does not instantiate an object of the Apex class; instead, it calls the method statically. If the method is not static, the framework cannot locate or execute it, resulting in an error.
While global was required in older versions or for managed packages, public is sufficient for code within the same namespace. Apex handles the serialization of standard types like Lists automatically, so manual JSON serialization is not required.


42. Frage
開発者はカスタム設定を使用して、時々変更される構成データを保存しました。ただし、最近更新されたサンドボックスの一部ではテストが失敗するようになりました。
今後この問題を解消するにはどうすればよいでしょうか？

Antwort: A


43. Frage
Aura コンポーネントから呼び出され、クラスにラップされたデータを返す以下のコントローラーコードを考えてみましょう。

開発者は、クエリがそれぞれ 1 つのレコードを返し、Aura コンポーネントにエラー処理があることを確認しましたが、コントローラー getSemeData を呼び出したときにコンポーネントが何も返さないことを確認しました。
'なにが問題ですか？

Antwort: A

Begründung:
For the data to be passed back to the Aura component, all properties of the Apex class that are intended to be accessed from the component need to be annotated with @AuraEnabled. Without this annotation, the Aura framework cannot serialize the properties to send them to the front end.References: Aura Components Developer Guide - AuraEnabled Annotation


44. Frage
開発者は、システム内のアカウントをクエリし、結果をデータテーブルに表示する Visualforce ページを作成しています。ユーザーは、最大 5 つのフィールドに基づいて結果をフィルタリングできるようにしたいと考えています。ただし、ユーザーはページを実行するときにフィルター フィールドとして使用する 5 つのフィールドを選択したいと考えています。
このソリューションを促進するには、どの Apex コード機能が必要ですか?

Antwort: C

Begründung:
The requirement described in the question calls for a flexible way to query records based on user-selected fields. Dynamic SOQL is the perfect tool for this job as it allows the construction of a SOQL string at runtime, which can include any number of fields and filter conditions that are determined at the time the user interacts with the page. This enables the creation of a highly customizable query interface. A, B, and C are not suitable for this requirement as they serve different purposes: A (Streaming API) is for receiving real-time streams of data changes, B (Metadata API) is for managing the metadata of your Salesforce org, and C (variable binding) is used in Visualforce to bind data between the page and the controller but does not provide dynamic query capabilities.
References
Dynamic SOQL: Dynamic SOQL in Apex Developer Guide


45. Frage
......

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