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PDI Valid Exam Pass4sure | PDI Detailed Study Dumps

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Salesforce Platform Developer I (PDI) Sample Questions (Q20-Q25):

NEW QUESTION # 20
An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?

A. Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity.
B. Write a trigger on the Opportunity object and use tree sorting to sum the amount for all related child objects under the Opportunity.
C. Use the Streaming API to create real-time roll-up summaries.
D. Use the Metadata API to create real-time roll-up summaries.

Answer: A

Explanation:
* Why a Trigger on the Child Object?
* Since the relationship is not master-detail, a trigger on the child object can perform aggregate calculations and update the parent Opportunity.
* Why Not Other Options?
* A: Tree sorting is unnecessary and unrelated to roll-up summaries.
* B and D: Neither Streaming API nor Metadata API is suitable for real-time roll-up calculations.
* Custom Roll-Up Summaries: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode
/apex_triggers_best_practices.htm
References:

NEW QUESTION # 21
What should a developer use to obtain the Id and Name of all the Leads. Accounts, and Contacts that hove the company name "Universal Containers"?

A. FIND 'Universal Containers' IN Name Fields RETURNING leadjid, name), accounted, name), contacted, name)
B. SELECT lead(id, name). accountOd, name), contacted, name) FROM Lead, Account, Contact WHERE Name = "universal Containers'
C. FIND Universal Containers' IN CompanyName Fietds RETURNING lead{ld. name), accounted, name), contacted, name)
D. SELECT Lead.id. Lead.Name, Account.Id, AccountName, Contacted, Contact.Name FROM Lead, Account, Contact WHERE CompanvName * Universal Containers'

Answer: A

NEW QUESTION # 22
Consider the following code snippet:
apex
CopyEdit
public class with sharing AccountsController {
@AuraEnabled
public List<Account> getAllAccounts(){
return [SELECT Id, Name, Industry FROM Account];
}
}
Apex Test Class Snippet:
apex
CopyEdit
@isTest
private class with sharing AccountsController_Test {
@testSetup
private static void makeData(){
User user1 = [SELECT Id FROM User WHERE Profile.Name = 'System Administrator' AND isActive = true LIMIT 1]; User user2 = [SELECT Id FROM User WHERE Profile.Name = 'Standard User' AND UserName = 'test@test.
com' AND isActive = true LIMIT 1];
TestUtils.insertAccounts(10, user1.Id);
TestUtils.insertAccounts(20, user2.Id);
}
@isTest
private static void getAllAccounts_StandardUser_Test(){
List<Account> result = AccountsController.getAllAccounts();
System.assertEquals(20, result.size());
}
}
When the test class runs, the assertion fails.
Which change should the developer implement in the Apex test method to ensure the test method executes successfully?

A. Query the Administrator user into memory and enclose lines 15 and 16 within the System.runAs(user); method.
B. Add @isTest(seeAllData=true); to line 12 and enclose lines 15 and 16 within Test.startTest(); and Test.
stopTest();.
C. Query the Standard User into memory and enclose lines 15 and 16 within the System.runAs(); method.
D. Add System.runAs(user); to line 14 and enclose line 15 within Test.startTest(); and Test.stopTest();.

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
By default, Apex tests run in a system context that does not respect sharing rules. However, the getAllAccounts method is defined in a with sharing class, so it does respect sharing rules. Therefore, to correctly simulate how a Standard User would see the data, the test must be run in the context of that user.
To do this, the developer should use System.runAs() to switch the test context to the Standard User, ensuring that sharing rules are enforced for the user running the test. This allows the test to correctly verify the data the user can access.
Example of Corrected Test Method:
apex
CopyEdit
@isTest
private static void getAllAccounts_StandardUser_Test() {
User standardUser = [SELECT Id FROM User WHERE Profile.Name = 'Standard User' AND UserName =
'[email protected]' AND isActive = true LIMIT 1];
System.runAs(standardUser) {
List<Account> result = AccountsController.getAllAccounts();
System.assertEquals(20, result.size());
}
}
Reference:
Apex Testing Best Practices - Using runAs()

NEW QUESTION # 23
Which two combined methods should a developer use to prevent more than one open Opportunity on each Account? Choose 2 answers

A. Create an Account Roll-up Summary field to count open Opportunities
B. Create an Opportunity Workflow Rule to auto-close the Opportunity
C. Create an Account Trigger to generate an error on Opportunity insert
D. Create an Opportunity Validation Rule to generate an error on insert

Answer: A,D

NEW QUESTION # 24
What declarative method helps ensure quality data? Choose 3 answers

A. Validation rules
B. Lookup filters
C. Exception handling
D. Workflow alerts
E. Page layouts

Answer: A,B,E

NEW QUESTION # 25
......

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