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[General] PDII-JPN Download Fee, Valid PDII-JPN Exam Materials

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【General】 PDII-JPN Download Fee, Valid PDII-JPN Exam Materials

Posted at 3 day before      View：8 | Replies：1        Print      Only Author   [Copy Link] 1#
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Salesforce  Sample Questions (Q12-Q17):NEW QUESTION # 12
組織内にApexコントローラとVisualforceページがあり、ユーザーが選択した選択リスト値の組み合わせで構成されるカスタムフィルタを使用してレコードを表示しています。一部の入力組み合わせではページが結果を表示するのに時間がかかりすぎ、他の入力選択肢では「ビューステートの最大サイズ制限を超えました」という例外が発生します。開発者はこの問題を解決するためにどのような手順を踏むべきでしょうか？
  • A. ビュー ステート エラーを回避するには、Apex コントローラから transient キーワードのインスタンスを削除します。
  • B. レイアウトを分割して、1 つの Visualforce ページでレコードをフィルターし、同じ Apex コントローラを使用して 2 番目のページにレコードのリストを表示します。
  • C. ピックリスト値はインデックス化されていないため、ピックリスト値でフィルタリングするコードを調整します。
  • D. Apex コントローラで StandardSetController または SOQL LIMIT を使用して、一度に表示されるレコードの数を制限します。
Answer: D
Explanation:
The two symptoms described-slow load times and "Maximum view state size limit exceeded"-are both caused by Large Data Volumes (LDV) being handled improperly in the UI. When a user selects a filter that returns thousands of records, the SOQL query takes longer to execute, and the resulting list is stored in the controller's memory. Because Visualforce serializes all non-transient controller variables into a hidden form field (the View State), large lists quickly exceed the 135KB limit.
The correct resolution is to implement Pagination (Option D). By using the StandardSetController, a developer can easily manage large sets of data by loading only a small subset (e.g., 20 records) into the View State at a time. Users can then navigate through "ages" of data. Alternatively, adding a LIMIT to the SOQL query prevents the application from attempting to process more data than the platform limits allow.123 Option A is incorrect because picklist fields can be indexed by Salesforce Support or if they are part of a custom index. Option B is the opposite of what is neede4d; adding transient reduces the View State. Option C adds unnecessary complexity without addressing the underlying data volume issue. Using a StandardSetController provides a built-5in, effi6cient way to handle large result sets while keeping the View State small and the page responsive.

NEW QUESTION # 13
CreateOneAccount クラスが 1 つのアカウントを作成し、Queuetable インターフェースを実装すると仮定すると、どの構文が Apex コードをテストしますか?
A)

B)

C)

D)

  • A. オプション D
  • B. オプション B
  • C. オプション C
  • D. オプション A
Answer: B

NEW QUESTION # 14
開発者は Salestorce と外部システム間の統合に取り組んでいます。統合には大量のデータを外部システムに送信する必要があるため、応答時間やタイムアウトが長くなる可能性があります。
パフォーマンスを最適化し、タイムアウトを回避するには、どの手法を使用する必要がありますか?
  • A. チェーンされたバッチ Apex を使用して、データをより小さなバッチに分割します。
  • B. コールアウト オプションのタイムアウト制限を増やします。
  • C. Continuation クラスを使用して非同期コールアウトを実装します。
  • D. @future アノテーションを使用してコールアウトを非同期にします。
Answer: C
Explanation:
Implementing an asynchronous callout using the Continuation class is the optimal solution to handle long response times and avoid timeouts in Salesforce. It allows the Apex code to make a long-running request to an external service and free up the thread to serve other requests.References: Apex Developer Guide - Asynchronous Callouts

NEW QUESTION # 15
開発者は、組織内のすべてのカスタム オブジェクトのドロップダウン リストを表示する Lightning Web コンポーネントを作成します。
Apexメソッドはデータを準備し、コンポーネントに返します。開発者はレスポンスに含めるオブジェクトを決定するために何をすべきでしょうか？
  • A. @salesforce/schema からすべてのカスタム オブジェクトのリストをインポートします。
  • B. Schema クラスの getCustomObjects() メソッドを使用します。
  • C. sObject の記述結果で、getObjectType() の値が 'Custom' か 'Standard' かを確認します。
  • D. sObject の記述結果の isCustom() 値を確認します。
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
To programmatically identify custom objects in Apex, developers utilize Schema Describe information. The Schema.getGlobalDescribe() method returns a map of all object tokens in the org. By iterating through these tokens and calling the getDescribe() method on each, the developer can access various properties of the object's metadata.
The specific property to distinguish between standard and custom objects is the isCustom() method (Option C). This boolean method returns true if the object is a custom object (including custom settings and custom metadata types) and false if it is a standard platform object.
Option A is incorrect because @salesforce/schema is used in LWC to import references to specific known objects/fields, not to discover the entire org's metadata dynamically. Option B is incorrect as getObjectType() returns an SObjectType token, not a string value like 'Custom'. Option D is incorrect because there is no getCustomObjects() method in the standard Schema class; discovery must be done via the global describe map.

NEW QUESTION # 16
開発者はテストの失敗をサンドボックスで確認しますが、本番環境では確認しません。サンドボックスの作成以来、どちらの環境にもコードやメタデータの変更は積極的に加えられていません。
問題を解決するにはどの考慮事項を確認する必要がありますか?
  • A. テスト クラスが SeeAllData = true を使用していることを確認します。
  • B. Apex クラスが同じ API バージョンであることを確認します。
  • C. サンドボックスが運用環境と同じリリースであることを確認してください。
  • D. [並列 Apex テストを無効にする] がオフになっていることを確認します。
Answer: C
Explanation:
If test failures are occurring in a sandbox but not in production and there have been no active code or metadata changes, it could be due to differences in the Salesforce release versions between the two environments. Sandboxes can be on preview instances which get upgraded to new releases before production instances. This can lead to differences in behavior and could affect test executions. Ensuring that both the sandbox and production are on the same release can resolve such issues. API version differences and parallel testing settings typically do not cause discrepancies if the code hasn't changed, and while using SeeAllData=true is generally not recommended due to its dependence on the organization's data, it's unlikely to be the cause if the issue is related to the environment rather than the data.
References:
Sandbox Preview Instructions
Understand the Salesforce Release Process

NEW QUESTION # 17
......
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Posted at 17 hour before        Only Author  2#
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