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| Section | Weight | Objectives |
|---|---|---|
| Salesforce Fundamentals | 12% | - Data Model Basics - Salesforce Platform Architecture |
| Testing, Debugging, and Deployment | 12% | - Debugging Techniques - Unit Testing in Apex - Deployment Tools and Practices |
| Logic and Process Automation | 46% | - Asynchronous Apex - Triggers - Apex Basics - Flow and Process Automation |
| User Interface | 10% | - Lightning Web Components Overview - Lightning Component Basics |
| Data Modeling and Management | 20% | - Data Management Tools - Standard and Custom Objects - Relationships and Schema Design |
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NEW QUESTION # 141
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?
Answer: D
Explanation:
When an Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship, the best approach is to:
Option B: Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity.
Roll-Up Summary Fields Limitation: Roll-up summary fields can only be created on master-detail relationships. Since the custom object is in a lookup relationship with Opportunity (not master-detail), roll-up summary fields are not available.
"Roll-up summary fields can only be created on master-detail relationships."
- Salesforce Help: Define Roll-Up Summary Fields
Trigger on Child Object: Writing a trigger on the child object (the custom object) allows you to execute logic whenever a child record is inserted, updated, or deleted.
Aggregate Function: Within the trigger, you can use SOQL aggregate functions (like SUM()) to calculate the total amount of all child records related to the Opportunity and update the parent Opportunity record accordingly.
trigger ChildObjectTrigger on ChildObject__c (after insert, after update, after delete, after undelete) { Set<Id> oppIds = new Set<Id>(); if(Trigger.isInsert || Trigger.isUpdate || Trigger.isUndelete){ for(ChildObject__c child : Trigger.new){ oppIds.add(child.Opportunity__c);
}
}
if(Trigger.isDelete){
for(ChildObject__c child : Trigger.old){
oppIds.add(child.Opportunity__c);
}
}
List<Opportunity> oppsToUpdate = new List<Opportunity>();
for(Id oppId : oppIds){
Decimal totalAmount = [SELECT SUM(Amount__c) FROM ChildObject__c WHERE Opportunity__c = :oppId]; Opportunity opp = new Opportunity(Id = oppId, Total_Child_Amount__c = totalAmount); oppsToUpdate.add(opp);
}
update oppsToUpdate;
}
Why Other Options Are Incorrect:
Option A: Use the Streaming API to create real-time roll-up summaries.
The Streaming API is designed for receiving notifications of data changes in Salesforce and is not suitable for calculating roll-up summaries.
"The Streaming API enables streaming of events using push technology and provides a subscription mechanism for receiving events in near real time."
- Salesforce Developer Guide: Streaming API
Option C: Use the Metadata API to create real-time roll-up summaries.
The Metadata API is used for deploying and retrieving metadata (like custom fields, layouts) between orgs and does not perform data calculations.
"Use Metadata API to retrieve, deploy, create, update, or delete customization information, such as custom object definitions and page layouts, for your org."
- Salesforce Developer Guide: Metadata API
Option D: Write a trigger on the Opportunity object and use tree sorting to sum the amount for all related child objects under the Opportunity.
Writing a trigger on the Opportunity object would not effectively capture changes made to child records, as triggers on the parent do not fire when child records are modified.
Tree sorting is not a standard technique in Apex for summing related records.
Conclusion:
Writing a trigger on the child object is the most effective way to sum amounts from child records and update the parent Opportunity when a master-detail relationship is not present.
NEW QUESTION # 142
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?
Answer: D
Explanation:
* The recordSetVar attribute of the <apex:page> tag allows a Visualforce page to handle multiple records, which is ideal for list buttons that display a page for bulk editing.
Why not other options?
* A: Standard controllers can be extended, but using recordSetVar is the direct and best-supported method for this scenario.
* B: There is no such concept as a "Custom List Controller" in Visualforce.
* C: <spex:listButton> is not a valid Visualforce tag.
References:
* Visualforce Standard Controller with RecordSetVar
NEW QUESTION # 143
(Full question statement)
Universal Containers wants Opportunities to no longer beeditablewhen they reach theClosed/Wonstage.
Which two strategies can a developer use to accomplish this?
Choose 2 answers.
Answer: A,C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
A (Correct):AnApproval Processcan lock a record (making it read-only) once the record meets certain criteria like stage = Closed/Won.
B (Correct):AValidation Rulecan prevent users from saving changes when the stage is Closed/Won, by throwing an error.
Example validation formula:
text
CopyEdit
AND(ISCHANGED(StageName), ISPICKVAL(StageName, "Closed Won"))
Incorrect options:
C:Before triggers run before the record is saved but don't prevent UI-level edits unless combined with DML rollbacks or errors.
D:Auto-response rules are for sending emails, not restricting edits.
Reference:Salesforce Help - Locking Records with Approval ProcessesValidation Rules Guide This topic relates to bothProcess Automation and Logic (30%)andSecurity and Data Integritypractices.
NEW QUESTION # 144
A developer deployed a trigger to update the status__c of Assets related to an Account when the Account's status changes and a nightly integration that updates Accounts in bulk has started to fail with limit failures.
What should the developer change about the code to address the failure while still having the code update all of the Assets correctly?
Answer: B
Explanation:
Why Queueable?
* Queueable Apex allows asynchronous processing, which can handle bulk updates efficiently without hitting governor limits.
* The trigger enqueues the Queueable class to process the asset updates.
Avoiding Limit Failures:
* Moving logic to a Queueable class offloads resource-intensive operations to asynchronous processing.
NEW QUESTION # 145
A developer created a trigger on the Account object. While testing the trigger, the developer sees the error message 'Maximum trigger depth exceeded'.
What could be the possible causes?
Answer: D
Explanation:
Maximum Trigger Depth Exceeded:
This error occurs when a trigger causes recursive calls, leading to an infinite loop of execution.
Solution:
Use static variables in helper classes to prevent recursive trigger execution.
Example:
public class TriggerHelper {
public static Boolean isTriggerExecuted = false;
}
trigger AccountTrigger on Account (after update) {
if (!TriggerHelper.isTriggerExecuted) {
TriggerHelper.isTriggerExecuted = true;
// Trigger logic here
}
}
Why Not Other Options?
A: Permissions do not affect trigger recursion.
B: Length of the trigger is unrelated to recursion.
C: Code coverage does not influence runtime errors like recursion.
References:Trigger Best Practices:https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode
/apex_triggers_best_practices.htm
NEW QUESTION # 146
......
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