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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing, Debugging, and Deployment | 15% | - Debugging and performance profiling - Test data strategies and mocking - Deployment tools (SFDX, Metadata API) - Apex unit testing best practices |
| Topic 2: Logic and Process Automation | 22% | - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Advanced Apex programming - Dynamic Apex and SOQL/SOSL - Invocable Actions and Platform Events |
| Topic 3: Data Modeling | 12% | - External objects and data sources - Large data volumes considerations - Advanced object relationships and data modeling |
| Topic 4: User Interface | 18% | - Lightning Data Service - Aura Components - Visualforce advanced controllers - Lightning Web Components (LWC) advanced features |
| Topic 5: Integration | 15% | - Platform Events and Change Data Capture - REST and SOAP web services (Apex callouts) - Named Credentials and authentication - External Services and Connect REST API |
| Topic 6: Architecture | 18% | - Apex Enterprise Patterns - Governor limits and bulkification - Namespace and package management - Design patterns and Apex trigger frameworks |
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NEW QUESTION # 43
Which use case can be performed only by using asynchronous Apex?
Answer: A
Explanation:
Making a callout from an Apex trigger is not allowed synchronously; hence, such callouts must be performed in an asynchronous context. The only way to perform this within the Salesforce platform is by using asynchronous Apex, such as @future methods or Queueable Apex.
NEW QUESTION # 44
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: B,D
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 # 45
A company has a custom component that allows users to search for records of a certain object type by invoking an Apex Controller that returns a list of results based on the user's input. When the search is completed, a searchComplete event is fired, with the results put in a results attribute of the event. The component is designed to be used within other components and may appear on a single page more than once.
What is the optimal code that should be added to fire the event when the search has completed?
A)
B)
C)
D)
Answer: B
Explanation:
The correct code to fire the event when the search has completed in a Lightning component is option B. $A.get("e.c.searchComplete") is the syntax used to get the event, setParams is used to set the parameters, and fire is used to dispatch the event.
NEW QUESTION # 46
Refer to the markup below:
A Lightning web component displays the Account name and two custom fields out of 275 that exist on the abject. The custom fields are correctly declared and populated. However, the developer receives complaints that the component performs slowly. What can the developer do to improve the performance?
Answer: A
Explanation:
To improve performance, the developer should specify only the fields needed by using the fields attribute in the lightning-record-form instead of loading all fields with layout-type="Full". This reduces the amount of data being retrieved and processed, thus improving the component's performance.
NEW QUESTION # 47
An Apex class does not achieve expected code coverage. The testsetup method explicitly calls a method In the Apex class..
How can the developer generate the code coverage?
Answer: C
Explanation:
When an Apex class does not achieve the expected code coverage, it suggests that the test methods are not executing parts of the class. The @testvisible annotation can be used to increase code coverage by allowing test methods to access private or protected members of another class. This enables the test method to call methods that may not be directly accessible, but it is not a direct means to generate code coverage. The code coverage is actually achieved when the test methods execute the code within these methods. Therefore, to properly generate code coverage, the developer must ensure that the test methods call the relevant portions of the code that need to be covered. The use of @testvisible can facilitate this process by making otherwise inaccessible code available for testing.
Apex Developer Guide - Testing Best Practices
Apex Developer Guide - @testVisible Annotation
NEW QUESTION # 48
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