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| Section | Weight | Objectives |
|---|---|---|
| Business Logic and Process Automation | 25% | - Custom metadata and settings - Asynchronous processing (Batch, Queueable, Future) - Advanced triggers and Apex logic - Governor limits and performance optimization |
| User Interface Development | 15% | - Visualforce advanced features - Component communication and reusability - Aura Components advanced usage - Lightning Web Components development |
| Advanced Developer Fundamentals | 15% | - Sharing and security model implementation - Advanced Apex coding best practices - System classes and utility methods - Localization and internationalization |
| Data Modeling and Management | 12% | - Data validation and consistency - Large data volume handling - Complex data modeling - SOQL and SOSL optimization |
| Integration and Web Services | 15% | - External objects and data sources - REST and SOAP integrations - Data integration patterns - API usage and limits |
| Testing, Debugging and Deployment | 18% | - Deployment strategies and tools - Continuous integration and delivery - Debugging and error handling - Advanced testing techniques |
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NEW QUESTION # 162
An Apex trigger and Apex class increment a counter, `Edit_Count__c`, any time the Case is changed.
```java
public class CaseTriggerHandler {
public static void handle(List<Case> cases) {
for (Case c : cases) {
c.Edit_Count__c = c.Edit_Count__c + 1;
}
}
}
trigger on Case(before update) {
CaseTriggerHandler.handle(Trigger.new);
}
```
A new before-save record-triggered flow on the Case object was just created in production for when a Case is created or updated. Since the process was added, there are reports that `Edit_Count__c` is being incremented more than once for Case edits. Which Apex code fixes this problem?
Answer: B
Explanation:
This scenario illustrates a classic trigger recursion issue triggered by the Salesforce Order of Execution. When a record is updated, Salesforce runs through a specific sequence: first, it executes "Before-Save" Record- Triggered Flows, then "Before" triggers, followed by "After" triggers, and finally "After-Save" flows and processes. If a process or flow updates the same record that initiated the transaction, the entire cycle of Apex triggers can be re-invoked within that single transaction.
To prevent logic from running multiple times during these re-entrant cycles, developers implement a static boolean variable as a "recursion guard." Static variables in Apex persist for the entire duration of a single transaction. By checking the value of a static boolean at the start of the trigger, the code can determine if it has already processed the current set of records.
Option B is the correct implementation of this pattern. It defines `public static Boolean firstRun = true;` in the handler class. The trigger checks if `firstRun` is true, executes the handler logic, and then immediately sets
`firstRun` to false. Any subsequent execution of the Case trigger within the same transaction will find the variable set to false and skip the increment logic.
Option A is incorrect because it resets `firstRun` to true every time the trigger starts, defeating the guard.
Option C incorrectly uses an instance variable (non-static), which is recreated for every call. Option D uses a local variable within the trigger body, which is re-initialized to true every time the trigger fires, providing no protection against recursion.
NEW QUESTION # 163
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,C
NEW QUESTION # 164
Consider the following code snippet:
HTML
<c-selected-order>
<template for:each={orders.data} for:item="order">
<c-order orderId={order.Id}></c-order>
</template>
</c-selected-order>
How should the <c-order> component communicate to the <c-selected-order> component that an order has been selected by the user?
Answer: A
Explanation:
In Lightning Web Components (LWC), components communicate up the containment hierarchy (from child to parent) by creating and dispatching Custom Events.
Unlike the older Aura framework, which used specific "Component" or "Application" event types (Options B and C), LWC relies on standard web browser event protocols. The child component (c-order) would instantiate a CustomEvent object, optionally including a data payload in the detail property (such as the orderId), and then call the this.dispatchEvent() method.
The parent component (c-selected-order) then listens for this event using an on prefix (e.g., onselection=
{handleSelection}) in its HTML template. While you could technically use a standard DOM event (Option D), the CustomEvent interface is the platform-standard best practice in LWC for passing custom data payloads between components. Custom events allow for clean encapsulation and follow the modern "Events Up, Properties Down" design pattern common in reactive frameworks like LWC, React, and Vue.
NEW QUESTION # 165
The Salesforce instance at Universal Containers currently integrates with a third-party company to validate mailing addresses via REST services. The third-party address verification system recently changed endpoint URLs for all their set vices from https://th-addreaa-service.3pc.com to https://plc1-mailsarvice.3pc.com. Everything else remained the same. The developer updated code to reflect this endpoint change, but the mailing address validation service stopped working after the change.
What else should be done to complete this web service end point change?
Answer: C
NEW QUESTION # 166
A developer created and tested a Visualforce page in their developer sandbox, but now receives reports that user encounter view state errors when using it in production.
What should the developer ensure to correct these errors?
Answer: C
Explanation:
The developer should ensure variables are marked as transient to correct the view state errors. The transient keyword is used to mark a variable as transient, which means that the variable is not part of the view state, and it is not persisted or transferred between the server and the client. The developer should use the transient keyword for variables that are used for temporary storage or calculations, and that do not need to be retained across postbacks. This way, the developer can reduce the size of the view state, and avoid exceeding the view state limit. Ensuring queries do not exceed governor limits will not help, as it will only avoid hitting the SOQL query limit, but it will not reduce the size of the view state. Ensuring properties are marked as private will not help, as it will only limit the access to the properties, but it will not reduce the size of the view state. Ensuring profiles have access to the Visualforce page will not help, as it will only grant the permissions to view the page, but it will not reduce the size of the view state. Reference: [transient Keyword], [Visualforce View State], [Visualforce Developer Guide]
NEW QUESTION # 167
......
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