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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Logic, Process Automation, and Integration | 27% | - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - Complex business logic and automation design - REST/SOAP API, Platform Events, and external integrations |
| Topic 2: Testing, Debugging, and Deployment | 20% | - Advanced testing strategies and test frameworks - Debugging and error handling across layers - Deployment strategies, CI/CD, and change management |
| Topic 3: User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Optimize UI performance and usability - Implement advanced Visualforce functionality |
| Topic 4: Advanced Developer Fundamentals | 15% | - Apply security best practices in development - Work with localization, multi-currency, and global features - Design and maintain scalable, reusable code |
| Topic 5: Performance and Data Management | 18% | - Optimize queries and handle large data volumes - Data modeling and complex data operations - Governor limits optimization and best practices |
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NEW QUESTION # 168
A user receives the generic "An internal server error has occurred" while interacting with a custom Lightning component.
What should the developer do to ensure a more meaningful message?
Answer: B
Explanation:
Use AuraHandledException in try-catch for custom errors. It enables sending meaningful, user-friendly error messages to the Lightning component.
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: B,D
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
Instead of waiting to send emails to support personnel directly from the finish method of a batch Apex process, Universal Containers wants to notify an external system in the event that an unhandled exception occurs.
What is the appropriate publish/subscribe logic to meet this requirement?
Answer: D
Explanation:
Use BatchApexErrorEvent for notifications. It's automatically triggered for unhandled exceptions in batch Apex. No need for manual publishing. External systems can subscribe to this event to receive notifications.
NEW QUESTION # 171
A developer created a Lightning web component that uses a lightning-record-edit-form to collect information about Leads. Users complain that they only see one error message at a time about their input when trying to save a Lead record.
What is the recommended approach to perform validations on more than one field, and display multiple error messages simultaneously with minimal JavaScript intervention?
Answer: D
Explanation:
Salesforce validation rules are declarative and can be used to validate more than one field on an object and display multiple error messages. This approach requires minimal JavaScript code and uses Salesforce's built-in validation framework. Reference:
Validation Rules
NEW QUESTION # 172
A developer created an Opportunity trigger that updates the account rating when an associated opportunity is considered high value. Current criteria for an opportunity to be considered high value is an amount greater than or equal to $1,000,000. However, this criteria value can change over time.
There is a new requirement to also display high value opportunities in a Lightning web component.
Which two actions should the developer take to meet these business requirements, and also prevent the business logic that obtains the high value opportunities from being repeated in more than one place?
Choose 2 answers
Answer: A,C
Explanation:
Creating a helper class allows the logic to be centralized and reused in both the trigger and the Lightning Web Component (LWC), avoiding repetition. Using custom metadata to store the criteria value allows easy updates without code changes and can be referenced from both the helper class and the trigger.
Apex Developer Guide
Custom Metadata Types Guide
NEW QUESTION # 173
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