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| Section | Weight | Objectives |
|---|---|---|
| Integration | 15% | - REST and SOAP web services (Apex callouts) - Platform Events and Change Data Capture - Named Credentials and authentication - External Services and Connect REST API |
| Testing, Debugging, and Deployment | 15% | - Apex unit testing best practices - Debugging and performance profiling - Test data strategies and mocking - Deployment tools (SFDX, Metadata API) |
| Logic and Process Automation | 22% | - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Dynamic Apex and SOQL/SOSL - Advanced Apex programming - Invocable Actions and Platform Events |
| User Interface | 18% | - Lightning Web Components (LWC) advanced features - Visualforce advanced controllers - Aura Components - Lightning Data Service |
| Architecture | 18% | - Namespace and package management - Design patterns and Apex trigger frameworks - Governor limits and bulkification - Apex Enterprise Patterns |
| Data Modeling | 12% | - External objects and data sources - Large data volumes considerations - Advanced object relationships and data modeling |
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NEW QUESTION # 106
Consider the following code snippet:
How should the <e-orders> component communicate to the <c-selected-orders component that an order has been selected by the user?
Answer: B
Explanation:
Create and dispatch a custom event. This approach allows LWC components to communicate effectively, maintaining component encapsulation and reusability.
NEW QUESTION # 107
When the sales team views an individual customer record, they need to see recent interactions for the customer. These interactions can be sales orders, phone calls, or Cases. The date range for recent interactions will be different for every customer record type.
How can this be accomplished?
Answer: B
Explanation:
A Lightning component can dynamically query and display interactions based on the customer's record type. The component can receive the record type as a parameter and adjust the query accordingly, providing the required functionality without batch processing or additional configurations.
NEW QUESTION # 108
Consider the below trigger intended to assign the Account to the manager of the Account's region:
Which two changes should a developer make in this trigger to adhere to best practices? Choose 2 answers A)
B)
C)
D)
Answer: C,D
Explanation:
The best practices for writing triggers in Salesforce include bulkifying your code to handle multiple records efficiently and reducing the number of SOQL queries, especially within loops, to avoid hitting governor limits.
Option B is correct because moving the SOQL query outside of the for loop is essential to bulkify the trigger. Performing a query within a loop can cause a SOQL governor limit to be reached if the trigger is processing many records. The best practice is to collect all necessary data before the loop starts and then process it within the loop.
Option C is correct as well, because using a Map to cache the results of a SOQL query by Id is another way to bulkify the code. This allows you to query all the necessary data once and then access it efficiently in memory, avoiding repeated queries.
Option A is incorrect because adding isExecuting before the update doesn't address any best practices related to bulkification or SOQL query optimization.
Option D is incorrect because the last line should not be removed if the developer intends to perform DML on the accountList. However, this line should be outside of the loop and is unnecessary if the trigger context is 'before insert' or 'before update', since in those contexts, changes to records in Trigger.new are implicitly saved without the need for explicit DML.
Apex Developer Guide on Triggers: Triggers and Order of Execution
Salesforce Developer Blog on Trigger Best Practices: Trigger Best Practices
NEW QUESTION # 109
A business requires that every parent record must have a child record. A developer writes an Apex method with two DML statements to insert a parent record and a child record.
A validation rule blocks child records from being created. The method uses a try/catch block to handle the DML exception.
What should the developer do to ensure the parent always has a child record?
Answer: C
Explanation:
By setting a savepoint before the DML operations and rolling back to that savepoint in the event of an exception, the developer can ensure that the parent record is not committed without a corresponding child record.
Apex Developer Guide
NEW QUESTION # 110
Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?
Answer: A
Explanation:
Creating a reusable Apex class for API integration allows for code encapsulation and maintainability. This class can then be invoked from any other Apex class that requires interaction with the API, preventing code duplication.
NEW QUESTION # 111
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