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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Process Automation, Logic, and Integration | 27% | - Describe the use cases for the Callable interface. - Describe the use cases for the publish-subscribe pattern. - Describe the use cases for and nuances of Apex managed sharing. - Describe the use cases for the Queueable interface. - Given a scenario, identify the appropriate asynchronous Apex feature. - Describe the nuances of Apex triggers. - Describe the use cases for the ConnectApi classes. - Describe the use cases for Platform Events. - Describe the use cases for and implications of the order of execution. - Describe the use cases for the Batchable interface. - Describe the use cases for the Schedulable interface. - Describe the nuances of SOQL for loops. |
| Topic 2: User Interface | 20% | - Describe the use cases for the Lightning Data Service. - Given a scenario, identify the correct communication mechanism. - Describe the process for creating Lightning Web Components. - Describe the nuances of event propagation in Aura and Lightning Web Components. - Describe the nuances of the component communication patterns. - Describe the use cases for the different Lightning Web Component lifecycle hooks. - Describe the process for creating Aura components. - Describe the use cases for component events and application events. - Describe the use cases for the different Aura component bundle files. |
| Topic 3: Advanced Developer Fundamentals | 15% | - 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 capabilities of the Schema.describeSObjects() method. - Describe the use cases for the System.Limits Apex methods. - 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. - Describe the nuances of Apex sharing rules and the difference between declarative and programmatic sharing. - Describe the capabilities of the Schema.describeTabs() method. |
| Topic 4: Performance | 18% | - Describe the performance implications of the different asynchronous Apex features. - 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. |
| Topic 5: Testing, Debugging, and Deployment | 20% | - Describe the best practices for testing Apex. - Describe the process for debugging Aura and Lightning Web Components. - Describe the nuances of testing Lightning Web Components. - Given a scenario, identify the appropriate test setup logic. - Describe the process for deploying Salesforce applications. - Describe the nuances of testing Visualforce controllers. - Describe the process for debugging Apex. - Describe the nuances of testing Aura components. - Describe the nuances of testing Apex triggers. |
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NEW QUESTION # 147
会社にはカスタム オブジェクトがあります。カスタム選択リスト項目を持つ Order__c。Status__c (New、In Progress、または Fulfilled の値と、ルックアップ フィールド Contact_c) を Contact に設定します。
履行済みの注文がないすべての取引先責任者レコードの一意のリストを返す SOQL クエリはどれですか?
Answer: C
NEW QUESTION # 148
Visualforce ページは表示されるデータが大量であるため、読み込みに時間がかかります。開発者はパフォーマンスを向上させるためにどの戦略を使用できますか?
Answer: B
NEW QUESTION # 149
ビジネスでは、すべての親レコードに子レコードが必要です。開発者は、親レコードと子レコードを挿入する 2 つの DML ステートメントを含む Apex メソッドを作成します。
検証ルールにより、子レコードの作成がブロックされます。このメソッドは、try/catch ブロックを使用して DML 例外を処理します。
親が常に子レコードを持つようにするには、開発者は何をすべきでしょうか?
Answer: A
Explanation:
To ensure the parent always has a child record, the developer should use Database.insert and set the allOrNone parameter to false. The Database.insert method is a variant of the insert DML statement that allows the developer to specify whether to roll back the entire transaction or allow partial success when an error occurs. The allOrNone parameter is a Boolean value that determines this behavior. If the allOrNone parameter is set to true, the entire transaction is rolled back if any record causes an error, which is the same as the insert statement. If the allOrNone parameter is set to false, the records that do not cause errors are inserted, and the ones that do cause errors are returned in a Database.SaveResult array. The developer can then handle the errors accordingly. In this scenario, the developer should use Database.insert and set the allOrNone parameter to false, so that the parent record can be inserted even if the child record fails the validation rule. The developer can then catch the DML exception and display an appropriate error message to the user. Deleting the parent record in the catch statement when an error occurs on the child record DML operation would not ensure the parent always has a child record, as it would remove the parent record as well. Setting a database savepoint to rollback if there are errors would not ensure the parent always has a child record, as it would undo the entire transaction if the child record fails the validation rule. Using addError on the parent record if an error occurs on the child record would not ensure the parent always has a child record, as it would prevent the parent record from being inserted as well. Reference: [Database Class], [Using Database Methods to Handle DML Operations]
NEW QUESTION # 150
営業チームが個々の顧客レコードを表示する場合、顧客との最近のやりとりを確認する必要があります。これらのやり取りには、販売注文、電話、またはケースが含まれます。最近のやり取りの日付範囲は、顧客レコードの種類ごとに異なります。
これはどのようにして実現できるのでしょうか?
Answer: C
Explanation:
A Lightning component can dynamically query and display interactions based on the customer's record type.
The component can receive the record type as a parameter and adjust the query accordingly, providing the required functionality without batch processing or additional configurations.References: Lightning Web Components Developer Guide - Communicating with Events
NEW QUESTION # 151
以下のテスト方法を参照してください。
テスト メソッドは、外部システムをアカウント情報で更新する Web サービスを呼び出し、完了時に Accounts integration_Updated__c チェックボックスを True に設定します。
テストは実行に失敗し、「TestMethod として定義されたメソッドは Web サービス コールアウトをサポートしていません。」というエラーが表示されて終了します。
Answer: C
Explanation:
The correct order in tests with callouts is Test.startTest(), then Test.setMock(), followed by the method invocation, and finally Test.stopTest(). This ensures the mock callout is used.References: Apex Developer Guide - Testing HTTP Callouts
NEW QUESTION # 152
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