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Salesforce PDII-JPN Exam Syllabus Topics:

Salesforce Sample Questions:

1. Universal Containersは、外部JavaScriptファイルとCSSファイルの組み込みを必要とするVisualforceページを開発しています。ページの効率的な読み込みとキャッシュを実現したいと考えています。この目標を達成するには、どの機能を活用すべきでしょうか？

A) <apex:アクション関数>
B) 静的リソース
C) <apex:pageBlockTable>
D) @リモートアクション

2. ある企業では、複数のカスタムメタデータレコードに参照データを保存しており、それらは特定の地域におけるデフォルト情報と削除動作を表しています。連絡先を挿入する際には、デフォルト情報が設定される必要があります。また、フラグが設定された地域に属する連絡先を削除しようとすると、エラーメッセージが表示される必要があります。企業の人員リソースの状況に応じて、これを自動化する2つの方法は何ですか？19

A) Apex呼び出し可能メソッド
B) Apexトリガー
C) リモートアクション
D) フロービルダー

3. 開発者は、テスト実行に必要なすべてのテストデータの初期設定のため、クラス内のすべてのテストメソッドの実行に時間がかかることに気づきました。テスト実行を高速化するには、開発者は何をすべきでしょうか？

A) テストデータを作成するメソッドを定義し、@createData でアノテーションを付けます。
B) すべてのテストメソッドでテストデータファクトリーが適切に使用されていることを確認します。34
C) クラス内のテストメソッドの数を減らします。12
D) テスト データを作成するメソッドを定義し、@testSetup でアノテーションを付けます。

4. マイオポチュニティ.js
JavaScript
import { LightningElement, api, wire } from 'lwc';
import getOpportunities from '@salesforce/apex/OpportunityController.findMyOpportunities'; export default class MyOpportunities extends LightningElement {
@api userId;
@wire(getOpportunities, {oppOwner: '$userId'})
opportunities;
}
OpportunityController.cls
Java
public with sharing class OpportunityController {
@AuraEnabled
public static List<Opportunity> findMyOpportunities(Id oppOwner) {
return [
SELECT Id, Name, StageName, Amount
FROM Opportunity
WHERE OwnerId = :oppOwner
];
}
}
開発者がLightning Webコンポーネントで問題を抱えています。このコンポーネントは、現在ログインしているユーザーが所有する商談に関する情報を表示する必要があります。コンポーネントをレンダリングすると、「データ取得エラー」というメッセージが表示されます。これを接続可能にするには、Apexメソッドでどのアクションを実行する必要がありますか？

A) ApexメソッドでCacheable=true属性を使用します。16
B) Apexクラスでwithout sharingキーワードを使用するようにコードを編集します。15
C) ApexメソッドでContinuation=true属性を使用します。14
D) OpportunityオブジェクトのOWDがPublicであることを確認します。17

5. どのコードスニペットが最もメモリ効率の高い方法でレコードを処理し、ガバナ制限を回避しますか？
「Apex ヒープ サイズが大きすぎます」?

A) Java
Map<Id, Opportunity> opportunities = new Map<Id, Opportunity>([SELECT Id, Amount from Opportunity]); for(Id oppId: opportunities.keySet()){
// perform operation here
}
B) Java
List<Opportunity> opportunities = Database.query('SELECT Id, Amount from Opportunity'); for(Opportunity opp: opportunities){
// perform operation here
}
C) Java
List<Opportunity> opportunities = [SELECT Id, Amount from Opportunity]; for(Opportunity opp: opportunities){
// perform operation here
}
D) Java
for(Opportunity opp: [SELECT Id, Amount from Opportunity]){
// perform operation here
}

Solutions: