Salesforce CRT-450 - Salesforce Certified Platform Developer 1 (SP25)

The@AuraEnabled(cacheable=true)annotation makes an Apex method available to Lightning Web Components and allows it to be wired to a property while enabling client-side caching for improved performance.

Visual Studio Code (VS Code)is the recommended tool for Salesforce development. It supports the Salesforce Extensions Pack for debugging and fixing issues in Lightning Web Components (LWCs).

Not Suitable:

Option A: The Developer Console is less effective for LWC debugging.

Option B: The Force.com IDE is deprecated.

Option C:Execute Anonymousdoes not provide tools to debug or fix LWC bugs.

VS Code with Salesforce Extensions Pack

WhyTest.loadData()?

Simplifies test data creation by loading data from a CSV file stored as a static resource.

Ideal for testing specific field values in bulk.

Why Not Other Options?

A: Querying data from the org violates test isolation principles.

C: Anonymous Apex cannot be used within test classes.

D: JSON files in Documents are not supported byTest.loadData().

WhyWITH SECURITY_ENFORCED?

Ensures field-level security and sharing rules are enforced in SOQL queries.

Prevents unauthorized records or fields from being accessed or displayed.

Why Not Other Options?

B and C:with sharingandinherited sharingenforce record-level access but do not handle field-level security.

D:without sharingignores sharing rules, which would display all records regardless of user permissions.

The SOQL query assigns its result directly to a single sObject variable (Account myAccount). If the query returns more than one record, Salesforce throws aQueryExceptionbecause the system cannot automatically cast multiple results to a single sObject.

Not Suitable:

Option A: The variable cannot be automatically cast to a list.

Option C: The query itself does not fail but throws an exception.

Option D: The first record is not automatically assigned.

SOQL Query Considerations

An Apex REST class can be used to retrieve real-time data from an external order management system. The flow can then call the REST class to display the retrieved data on the screen dynamically.

Comprehensive and Detailed Explanation From Exact Extract:

B (Correct):Apex methods exposed toFlowmust be:

Static

Annotated with @InvocableMethod

Accept aListof parameters (for bulkification)

Return aList of custom class objects

This method signature supports Flow Builder’s bulk processing model, which is required in enterprise scenarios where the Flow might process multiple records.

A: Custom objects and fields are the fundamental building blocks of the database layer in Salesforce for creating and storing custom data.

C: Roll-up summary fields are a declarative feature used to perform calculations (e.g., sum, count) on child records and display the results on the parent record.

D: Relationships (e.g., master-detail, lookup) are essential for defining how data objects are related to each other.

Why not other options?

B: Triggers are a programmatic solution, which goes against the declarative-only requirement.

E: Flows are used for automation and logic, not for building the database layer.

Salesforce Data Modeling

In the context of the MVC (Model-View-Controller) architecture for a Lightning Web Component (LWC), the Apex class and JavaScript file are responsible for handling the controller's role:

Apex Class (Controller):

Acts as the server-side controller.

Executes business logic, such as the complex validations mentioned in the scenario.

Exposes methods for the LWC to call using@AuraEnabled.

Why Lightning Pages?

The Lightning Component framework is designed for building responsive Lightning Pages.

Allows for dynamic and modular development.

Why Not Other Options?

A: Salesforce Classic does not support Lightning Components.

C: JavaScript buttons are replaced by Quick Actions in Lightning Experience.

D: While integrations are possible, the framework is not primarily used for integrations.