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PDI試験勉強過去問 & PDI専門知識

P.S.Xhs1991がGoogle Driveで共有している無料の2026 Salesforce PDIダンプ：https://drive.google.com/open?id=1JzVrT3wYxV_haOsMmTPgbKWjanNafWPC

最近の数年間で、IT領域の継続的な発展と成長に従って、PDI認証試験はもうSalesforce試験のマイルストーンになりました。SalesforceのPDI「Platform Developer I (PDI)」の認証試験はあなたがIT分野のプロフェッショナルになることにヘルプを差し上げます。SalesforceのPDIの試験問題を提供するウェブが何百ありますが、なぜ受験生は殆どXhs1991を選んだのですか。それはXhs1991にはIT領域のエリートたちが組み立てられた団体があります。その団体はSalesforceのPDIの認証試験の最新の資料に専攻して、あなたが気楽にSalesforceのPDIの認証試験に合格するためにがんばっています。Xhs1991は初めにSalesforceのPDIの認証試験を受けるあなたが一回で成功することを保証します。Xhs1991はいつまでもあなたのそばにいて、あなたと一緒に苦楽を共にするのです。

Salesforce PDI認定試験は、Apex、Visualforce、Salesforce Object Query Language（SOQL）およびSalesforce Object Search Language（SOSL）、Salesforce Lightning Platform、および他のシステムとの統合など、さまざまなトピックをカバーしています。この試験に合格した開発者は、これらのトピックについて深い理解を持ち、複雑なスケーラブルなアプリケーションを開発できる能力を持っています。

Salesforce PDI認定試験に備えるには、少なくとも6ヶ月のSalesforceプラットフォームでの作業経験があることが推奨されます。さらに、Salesforce Platform Developer Iコースを取ることが推奨されており、試験に必要なすべてのトピックをカバーしています。また、練習問題や学習ガイドなどの学習材料もあり、準備に役立ちます。

>> PDI試験勉強過去問 <<

試験の準備方法-高品質なPDI試験勉強過去問試験-効率的なPDI専門知識

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Salesforce Platform Developer I (PDI) 認定 PDI 試験問題 (Q80-Q85):

質問 # 80
Which three resources in an Aura component can contain JavaScript functions?
Choose 3 answers

• A. Helper
• B. Renderer
• C. Controller
• D. Design
• E. Style

正解：A、B、C

解説：
In Aura components:
* B. Renderer:Contains custom rendering logic.
* C. Controller:Manages user interaction and component events.
* E. Helper:Contains reusable JavaScript functions for logic.
Reference:Aura Component Documentation
Incorrect Options:
A (Style):Contains CSS, not JavaScript.
D (Design):Defines design-time attributes, not JavaScript logic.

 

質問 # 81
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?

• A. Standard controller and the recordsetzvar page attribute
• B. Standard Controller with Custom List Controller extension
• C. Controller Extension and <apex:listButton> tag
• D. Custom List Controller with recordSetvar page attribute

正解：A

解説：
Option C: Standard controller and the recordSetVar page attribute
Correct Answer.
Using the recordSetVar attribute with a standard controller enables the Visualforce page to access a set of records selected from a list view.
This allows users to edit multiple records.
recordSetVar is used with standard list controllers, not custom controllers.
Option A: Controller Extension and <apex:listButton> tag
Incorrect.
There is no <apex:listButton> tag in Visualforce.
Option B: Standard Controller with Custom List Controller extension
Incorrect.
A custom list controller extension is unnecessary when using recordSetVar with a standard controller.
Conclusion:
The Visualforce feature is Standard controller and the recordSetVar page attribute, which is Option C.
Reference:
Using Standard List Controllers
Option D: Custom List Controller with recordSetVar page attribute
Incorrect.

 

質問 # 82
Assuming that name is a String obtained by an tag on a Visualforce page, which two SOQL queries performed are safe from SOQL injection? Choose 2 answers

• A.
• B.
• C.
• D.

正解：C、D

解説：
Option B:Escapes single quotes usingString.escapeSingleQuotes, protecting against SOQL injection.
Option C:Uses bind variables, which are inherently safe from SOQL injection.
Reference:SOQL and SOSL Injection Prevention

 

質問 # 83
A developer is asked to write helper methods that create test data for unit tests.

What should be changed in the TestUtils class so that its methods are only usable by unit test methods?

• A. Remove static from line 03.
• B. Change public to private on line 01.
• C. Add @istest above line 01.
• D. @isTest above line 03.

正解：C

解説：
To ensure that the TestUtils class and its methods are only accessible by unit test methods, the class must be annotated with the @isTest annotation. This annotation limits the scope of the class and its methods to test contexts only.
Why @isTest?
* Purpose of @isTest:
* The @isTest annotation marks a class or method for use exclusively within test scenarios. It prevents the methods from being accidentally invoked in production code.
* This ensures better test isolation and prevents misuse.
* Static Test Data Methods:
* Marking helper methods for test data creation as @isTest ensures they do not interfere with production code and are strictly for testing purposes.
Analysis of Options:
* Option A: @isTest above line 03:
* Incorrect. Applying @isTest only to the createAccount method would work, but the other methods in the class would still be accessible. This does not satisfy the requirement of restricting the entire class.
* Option B: Add @isTest above line 01:
* Correct. Annotating the class ensures all methods within the class are accessible only in the context of tests.
* Option C: Change public to private on line 01:
* Incorrect. Changing the class to private would cause a compilation error, as top-level classes in Salesforce cannot be declared private.
* Option D: Remove static from line 03:
* Incorrect. Removing static does not affect the test scope of the class or its methods. Static methods can still be invoked, and this does not restrict access to test contexts.
Correct Implementation:
The corrected code would look like this:
@isTest
public class TestUtils {
public static Account createAccount() {
Account acct = new Account();
// Set some fields on acct
return acct;
}
// Other methods...
}
References:
* Apex Testing: Test Classes and Methods
* Trailhead Module on Apex Testing

 

質問 # 84
Universal Containers (UC) uses out-of-the-box order management, that has a Master-Detail relationship between Order and Order Line Item.
UC stores the availability date on each Order Line Item and Orders are only shipped when all of the Order Line Items are available.
Which method should be used to calculate the estimated ship date for an Order?

• A. Use a LATEST formula on each of the latest availability date fields.
• B. Use a CEILING formula on each of the latest availability date fields.
• C. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
• D. Use a MAX Roll-Up Summary field on the latest availability date fields.

正解：D

解説：
Universal Containers (UC) wants to calculate the estimated ship date for an Order, which should be the date when all Order Line Items are available. The availability date is stored on each Order Line Item.
Given that the relationship between Order and Order Line Item is Master-Detail, we can leverage Roll-Up Summary Fields to perform calculations on the child records (Order Line Items) and summarize them on the parent record (Order).
Option A: Use a MAX Roll-Up Summary field on the latest availability date fields.
Correct Approach.
Create a Roll-Up Summary Field on the Order object.
Use the MAX function to calculate the latest availability date among all related Order Line Items.
The Roll-Up Summary Field will display the maximum (latest) availability date, which represents the date when all items are available.
This date can be used as the estimated ship date for the Order since the Order can only be shipped when all items are available.
Benefits:
Declarative Solution: No code required.
Real-Time Calculation: Automatically updates when Order Line Items change.
The CEILING function returns the smallest integer greater than or equal to a number.
It is used with numerical values, not date fields.
Does not help in calculating the latest date among multiple dates.
Option C: Use a LATEST formula on each of the latest availability date fields.
Non-Existent Function.
There is no LATEST function available in Salesforce formula fields.
Cannot be used to calculate dates.
Option D: Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
Does Not Address the Requirement.
The DAYS function returns the number of days between two dates.
Using COUNT Roll-Up Summary counts the number of child records but does not help in finding the latest date.
This approach does not calculate the estimated ship date based on the latest availability date.
Conclusion:
Using a MAX Roll-Up Summary Field on the Order object to find the latest availability date among Order Line Items is the appropriate method.
This method efficiently calculates the estimated ship date for an Order based on when all items are available.
Reference:
Roll-Up Summary Fields
Defining Roll-Up Summary Fields
Why Other Options are Not Suitable:
Option B: Use a CEILING formula on each of the latest availability date fields.
Incorrect Function Usage.

 

質問 # 85
......

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