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| Section | Weight | Objectives |
|---|---|---|
| User Interface | 23% | - Lightning App Builder and components - UI security and accessibility - Visualforce pages and controllers - Lightning Web Components |
| Testing, Debugging, and Deployment | 17% | - Change management and best practices - Test methods and test data creation - Debugging tools and techniques - Code coverage requirements - Deployment tools and processes |
| Data Modeling and Management | 13% | - Data import/export and management - Custom objects and fields - Data security and sharing - Relationships and lookup filters |
| Salesforce Fundamentals | 7% | - Platform features and capabilities - Development models and tools - Multi-tenant architecture |
| Logic and Process Automation | 40% | - SOQL, SOSL, and DML operations - Formulas, roll-up summaries, and validation rules - Process Builder, Flow, and Workflow - Order of execution - Apex programming: classes, triggers, and methods - Governor limits and exception handling |
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NEW QUESTION # 238
Which annotation exposes an Apex class as a RESTful web service?
Answer: B
Explanation:
The@RestResourceannotation exposes an Apex class as a RESTful web service. TheurlMappingparameter defines the endpoint's URL.
Reference:Apex REST Services
Incorrect Options:
A:@RemoteActionis used for JavaScript remoting.
C:@HttpInvocableis used for invocable methods, not REST services.
D:@AuraEnabledis for enabling methods in Aura components or LWC, not REST services.
NEW QUESTION # 239
Which approach should a developer use to add pagination to a Visualforce page?
Answer: C
NEW QUESTION # 240
The sales management team at Universal Containers requires that the Lead Source field of the Lead record be populated when a Lead is converted What should be done to ensure that a user populates the Lead Source field prior to converting a Lead?
Answer: C
Explanation:
A validation rule can ensure that theLead Sourcefield is populated before the Lead is converted. This prevents users from proceeding unless the required data is entered.
Why not other options?
A: Triggers are programmatic, whereas a declarative solution like validation rules is simpler and more efficient.
B: Lead Conversion field mapping maps fields between Lead and Account/Contact but cannot enforce field requirements.
C: A formula field is read-only and cannot enforce user input.
Validation Rules Documentation
NEW QUESTION # 241
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: C
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 # 242
A team of developers is working on a source-driven project that allows them to work independently, with many different org configurations.
Which type of Salesforce orgs should they use for their development?
Answer: A
NEW QUESTION # 243
......
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