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| Section | Weight | Objectives |
|---|---|---|
| Performance and Data Management | 18% | - Data modeling and complex data operations - Governor limits optimization and best practices - Optimize queries and handle large data volumes |
| User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality - Optimize UI performance and usability |
| Testing, Debugging, and Deployment | 20% | - Debugging and error handling across layers - Deployment strategies, CI/CD, and change management - Advanced testing strategies and test frameworks |
| Advanced Developer Fundamentals | 15% | - Apply security best practices in development - Work with localization, multi-currency, and global features - Design and maintain scalable, reusable code |
| Logic, Process Automation, and Integration | 27% | - Complex business logic and automation design - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - REST/SOAP API, Platform Events, and external integrations |
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NEW QUESTION # 165
A developer is asked to find a way to store sacret data with an ability to specify which profiles and users can access which secrets.
What should be used to store this data?
Answer: D
Explanation:
Custom metadata types are the optimal way to store secret data that needs to be accessed by certain profiles and users. Access to custom metadata records can be controlled by the Salesforce sharing model.
NEW QUESTION # 166
A company wants to run different logic based on an Opportunity's record type.
Which code segment handles this request and follows best practices?
A)
B)
C)
D)
Answer: B
Explanation:
The use of getRecordTypeInfosByDeveloperName is a best practice to handle record types. This approach avoids the need for SOQL queries, reducing the number of governor limits consumed, and efficiently retrieves record type Ids by their DeveloperName, which is consistent across all Salesforce environments.
NEW QUESTION # 167
As part of a custom interface, a developer team creates various new Lightning web components. Each of the components handles errors using toast messages. When the development is complete, all the components are added to the same Lightning page.
During acceptance testing, users complain about the long chain of toast messages that display when errors occur loading the components.
Which two techniques should the developer implement to improve the user experience?
Choose 2 answers
Answer: B,D
Explanation:
The scenario describes a common issue when multiple components are used on the same Lightning page and each component manages its error handling independently, leading to a "long chain of toast messages" which can be overwhelming for users.
To improve user experience, the developers can implement the following techniques:
A . Use a Lightning web component to aggregate and display all errors: This method involves creating a centralized component responsible for handling all error messages. This component would receive error notifications from other components and then display them in a user-friendly manner. The benefit of this approach is that it provides a single, consistent interface for error messages, reducing the clutter and confusion that can be caused by multiple toasts.
D . Use public properties on each component to display the error messages: By using public properties, components can expose their error states to a parent or orchestrating component, which can then display these errors in a single, consolidated way. This avoids the issue of multiple toast notifications and allows for a more integrated error handling experience.
The other options presented are less ideal:
B . Using the window.alert() method is not recommended in a professional Salesforce environment as it is considered a disruptive way to show errors and does not align with the Salesforce Lightning design system.
C . Using a <template> tag to display in-place error messages could be a viable option for displaying error messages within the component itself, but it does not address the issue of multiple errors stacking up from different components as described in the scenario.
For building a centralized error handling component: Lightning Web Components Developer Guide - Error Handling For implementing public properties: Lightning Web Components Developer Guide - Public Properties
NEW QUESTION # 168
After a platform event is defined in a Salesforce org,events can be published via which mechanism?
Answer: B
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 # 169
A developer created 2 class that implements the Queueable Interface, as follows:
As part of the deployment process, the developer is asked to create a corresponding test class. Which two actions should the developer take to successfully execute the test class? Choose 2 answers
Answer: A,C
Explanation:
When writing a test class for a Queueable class in Salesforce, the goal is to ensure that the asynchronous code is executed within the test context and that it does not affect the state of the production org or depend on its data.
Option C is correct because using Test.startTest() and Test.stopTest() ensures that the asynchronous code is executed immediately within the test's context. This is essential for testing Queueable classes because it allows the test to wait for the asynchronous process to complete before assertions are made. Without this, the asynchronous job would not necessarily run during the test execution.
Option D is correct because Test.isRunningTest() can be used within the Queueable class to prevent the chaining of jobs during test execution. Chaining queueable jobs can lead to governor limits being hit and is generally not allowed in test methods. This conditional check allows the developer to bypass sections of the code not suitable for a testing context.
Option A is incorrect because the seeAllData=True annotation is not required for testing Queueable classes, and it is not a best practice to depend on live data for tests. It's preferable to create test data within the test class itself.
Option B is incorrect because having the 'View All' permission on the Order object is not related to the successful execution of the Queueable class in tests. Permissions are typically not enforced in test contexts unless using System.runAs() to test with a specific user context.
Salesforce Documentation on Queueable Apex: Queueable Apex
Salesforce Documentation on Testing Asynchronous Apex: Testing Asynchronous Apex
NEW QUESTION # 170
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