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| Section | Weight | Objectives |
|---|---|---|
| Data Modeling | 12% | - Large data volumes considerations - External objects and data sources - Advanced object relationships and data modeling |
| Architecture | 18% | - Apex Enterprise Patterns - Design patterns and Apex trigger frameworks - Governor limits and bulkification - Namespace and package management |
| Integration | 15% | - REST and SOAP web services (Apex callouts) - Named Credentials and authentication - Platform Events and Change Data Capture - External Services and Connect REST API |
| Logic and Process Automation | 22% | - Dynamic Apex and SOQL/SOSL - Invocable Actions and Platform Events - Advanced Apex programming - Asynchronous Apex (Batch, Queueable, Future, Scheduled) |
| Testing, Debugging, and Deployment | 15% | - Debugging and performance profiling - Apex unit testing best practices - Test data strategies and mocking - Deployment tools (SFDX, Metadata API) |
| User Interface | 18% | - Aura Components - Visualforce advanced controllers - Lightning Data Service - Lightning Web Components (LWC) advanced features |
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NEW QUESTION # 122
After a platform event is defined in a Salesforce org,events can be published via which mechanism?
Answer: A
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 # 123
Given the following containment hierarchy:
What is the correct way to communicate the new value of a property named ''passthrough'' to my-parent-component if the property is defined within my-child-component?
A)
B)
C)
D)
Answer: A
Explanation:
To communicate a property change up a containment hierarchy in Lightning Web Components (LWC), the child component should dispatch a custom event with the detail of the change. The parent component listens for this event and handles it accordingly.
Option A is the correct method because it creates a new custom event with the detail property containing the new value of passthrough. This event is then dispatched, and the parent component can listen for this event to handle the updated value.
Options B, C, and D are incorrect because they either don't pass any data with the event or they don't use the detail object which is the standard way to pass data with custom events in LWC.
Lightning Web Components Developer Guide - Communicating with Events
NEW QUESTION # 124
A developer has a test class that creates test data before making a mock callout but now receives a 'You have uncommitted work pending. Please commit or rollback before calling out' error.
Which step should be taken to resolve the error?
Answer: B
Explanation:
When working with Apex tests that involve callouts, it's important to avoid the 'uncommitted work pending' error. This error typically occurs because DML operations (like inserts) are pending when a callout is attempted. Salesforce requires that all callouts are made before any DML operations in a transaction. To avoid this, the pattern is to insert the records before calling Test.startTest(), and then make the callout after this call. Test.startTest() marks the point where your actual test begins, and it resets the governor limits. By making the callout after this point, it ensures that the DML operations are committed and you are within a new execution context regarding governor limits.
Testing HTTP Callouts by Implementing the HttpCalloutMock Interface
Understanding Execution Contexts
NEW QUESTION # 125
An Apex trigger and Apex class increment a counter, Edit __C, any time the Case is changed.
A)
B)
C)
D)
Answer: D
NEW QUESTION # 126
A business currently has a process to manually upload orders from its external Order Management System (OMS) into Salesforce.
This is a labor intensive process since accounts must be exported out of Salesforce to get the IDs. The upload file must be updated with the correct account IDs to relate the orders to the corresponding accounts.
Which two recommendations should make this process more efficient?
Choose 2 answers
Answer: A,C
Explanation:
Setting unique fields on related objects as External IDs allows for the creation of relationships during imports without needing Salesforce IDs. The upsert operation in Data Loader can then use these External IDs to relate records, which streamlines the process and avoids the need to export Salesforce IDs manually.
Data Loader Guide
NEW QUESTION # 127
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