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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Modeling | 12% | - External objects and data sources - Large data volumes considerations - Advanced object relationships and data modeling |
| Topic 2: User Interface | 18% | - Visualforce advanced controllers - Lightning Web Components (LWC) advanced features - Lightning Data Service - Aura Components |
| Topic 3: Logic and Process Automation | 22% | - Invocable Actions and Platform Events - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Dynamic Apex and SOQL/SOSL - Advanced Apex programming |
| Topic 4: Testing, Debugging, and Deployment | 15% | - Deployment tools (SFDX, Metadata API) - Test data strategies and mocking - Apex unit testing best practices - Debugging and performance profiling |
| Topic 5: Integration | 15% | - REST and SOAP web services (Apex callouts) - External Services and Connect REST API - Platform Events and Change Data Capture - Named Credentials and authentication |
| Topic 6: Architecture | 18% | - Design patterns and Apex trigger frameworks - Governor limits and bulkification - Namespace and package management - Apex Enterprise Patterns |
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NEW QUESTION # 174
A developer is creating a page in App Builder that will be used in the Salesforce mobile app.
Which two practices should the developer follow to ensure the page operates with optimal performance?
Choose 2 answers
Answer: B,C
Explanation:
For mobile app pages in App Builder, best practices include limiting the number of heavy components like Tabs and Accordion because they can negatively impact performance due to increased client-side processing and data transfer. Also, using Performance Analysis in App Builder helps in identifying components that may slow down page performance and provides recommendations for improvements. Reference:
Optimize Performance in the Salesforce Mobile App
Lightning App Builder Performance Analysis
NEW QUESTION # 175
Recently, users notice that fields that were recently added for one department suddenly disappear without warning.
Which two statements are true regarding these issues and resolution?
Choose 2 answers
Answer: B,D
Explanation:
Using a dedicated sandbox for testing before deployment can prevent issues like overwriting changes in production. When administrators deploy their own change sets without coordination, they might inadvertently overwrite each other's changes, including page layouts. Best Practices for Deployments with Change Sets
NEW QUESTION # 176
An Apex trigger creates an order co record every time an Opportunity is won by a Sales Rep. Recently the trigger is creating two orders.
What is the optimal technique for 2 developer to troubleshoot this?
Answer: C
Explanation:
To troubleshoot the issue of a trigger creating two order records, adding System.debug() statements in the trigger and analyzing the log output in the Developer Console is an effective technique. This will help identify if the trigger is being called more than once or if there is another automation (such as a flow or workflow) causing the additional record creation.
NEW QUESTION # 177
After a platform event is defined in a Salesforce org,events can be published via which mechanism?
Answer: C
Explanation:
Platform events in Salesforce can be published using a variety of mechanisms, including from external applications through the Salesforce APIs.
Option A is correct because external applications can use Salesforce APIs such as the REST API or the SOAP API to publish events to a platform event in Salesforce.
Options B, C, and D describe mechanisms that are not used for publishing platform events. Entitlement processes are for setting up and tracking service contracts, the standard Streaming API is for subscribing to events not publishing them, and outbound messages are a workflow action used to send information to external services, not for publishing platform events.
Salesforce Developer Documentation - Platform Events
NEW QUESTION # 178
A developer has working business logic code, but sees the following error in the test class:
You have uncommitted work pending. Please commit or rollback before calling out.
What is a possible solution?
Answer: D
Explanation:
The error "You have uncommitted work pending. Please commit or rollback before calling out" usually indicates that DML operations (like insert, update, delete) are being performed before a callout in a test context. This is not allowed because Salesforce does not support this sequence of operations in a single transaction. However, the use of seeAllData=true is generally not a recommended practice and does not address the core issue of mixed DML and callouts in tests. The correct solution is to use a mocking framework to simulate the callout response. By using Test.setMock(), developers can avoid performing actual callouts in test methods, thus bypassing the uncommitted work error.
Apex Developer Guide - Testing HTTP Callouts
Apex Developer Guide - Isolation of Test Data from Organization Data in Unit Tests
NEW QUESTION # 179
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