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| Section | Weight | Objectives |
|---|---|---|
| Performance and Data Management | 18% | - Governor limits optimization and best practices - Optimize queries and handle large data volumes - Data modeling and complex data operations |
| Testing, Debugging, and Deployment | 20% | - Advanced testing strategies and test frameworks - Deployment strategies, CI/CD, and change management - Debugging and error handling across layers |
| Logic, Process Automation, and Integration | 27% | - REST/SOAP API, Platform Events, and external integrations - Complex business logic and automation design - Asynchronous Apex: future, queueable, batch, scheduled - Advanced Apex programming and transaction management |
| User Interface Development | 20% | - Optimize UI performance and usability - Implement advanced Visualforce functionality - Build complex Lightning Web Components and Aura Components |
| Advanced Developer Fundamentals | 15% | - Design and maintain scalable, reusable code - Work with localization, multi-currency, and global features - Apply security best practices in development |
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질문 # 15
A developer created a Lightning web component that uses a Lightning_record_edit_fom 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.
Which best practice should the developer use to perform the validations on more than one held, thus allowing more than one error message to be displayed simultaneously?
정답：C
설명：
When users need to see multiple error messages at a time related to their input on a form, client-side validation is the preferred method. This allows immediate feedback on the input fields without the need to submit the form to the server.
Option B (Client-side validation) is correct because it enables validation of multiple fields before submitting the form, allowing users to see all error messages at once for the fields that fail validation.
Options A (Apex REST), C (Custom validation rules), and D (Next Best Action) are not directly related to the validation of form inputs in the context of a Lightning web component.
Lightning Web Components Developer Guide: Lightning Web Components and Salesforce Data
질문 # 16
A company uses Salesforce to sell products to customers. They also have an external product information management (PIM) system that is the system of record for products.
A developer received these requirements:
* Whenever a product is created or updated in the PIM, a product must be created or updated as a Product? record in Salesforce and a PricebookEntry record must be created or updated automatically by Salesforce.
= The PricebookEntry should be created in a Priceboek2 that is specified in a custom setting.
What should the developer use to satisfy these requirements?
정답：D
설명：
Custom Apex REST services are the optimal solution for integrating Salesforce with an external PIM system. When a product is created or updated in the PIM, the external system can make a REST call to a custom Apex REST endpoint in Salesforce, which then can create or update the Product2 and PricebookEntry records. This method allows using custom settings to determine the Pricebook2 dynamically.
질문 # 17
A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created.
Which consideration should be checked to resolve the issue?
정답：A
설명：
If test failures are occurring in a sandbox but not in production and there have been no active code or metadata changes, it could be due to differences in the Salesforce release versions between the two environments. Sandboxes can be on preview instances which get upgraded to new releases before production instances. This can lead to differences in behavior and could affect test executions. Ensuring that both the sandbox and production are on the same release can resolve such issues. API version differences and parallel testing settings typically do not cause discrepancies if the code hasn't changed, and while using SeeAllData=true is generally not recommended due to its dependence on the organization's data, it's unlikely to be the cause if the issue is related to the environment rather than the data.
Sandbox Preview Instructions
Understand the Salesforce Release Process
질문 # 18
Refer to the component code and requirements below:
A)
B)
C)
D)
정답：C
질문 # 19
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?
정답：A
설명：
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
질문 # 20
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