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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Architecture | 18% | - Governor limits and bulkification - Apex Enterprise Patterns - Namespace and package management - Design patterns and Apex trigger frameworks |
| Topic 2: Logic and Process Automation | 22% | - Invocable Actions and Platform Events - Dynamic Apex and SOQL/SOSL - Advanced Apex programming - Asynchronous Apex (Batch, Queueable, Future, Scheduled) |
| Topic 3: Data Modeling | 12% | - Advanced object relationships and data modeling - External objects and data sources - Large data volumes considerations |
| Topic 4: Testing, Debugging, and Deployment | 15% | - Apex unit testing best practices - Deployment tools (SFDX, Metadata API) - Debugging and performance profiling - Test data strategies and mocking |
| Topic 5: User Interface | 18% | - Visualforce advanced controllers - Lightning Data Service - Lightning Web Components (LWC) advanced features - Aura Components |
| Topic 6: Integration | 15% | - Named Credentials and authentication - External Services and Connect REST API - Platform Events and Change Data Capture - REST and SOAP web services (Apex callouts) |
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NEW QUESTION # 77
As part of point-to-point integration, a developer must call an external web service which, due to high demand, takes a long time to provide a response. As part of the request, the developer must collect key Inputs from the end user before making the callout. Which two elements should the developer use to Implement these business requirements?
Choose 2 answers
Answer: A,D
Explanation:
For implementing business requirements that involve collecting key inputs from the end user before making a long-running callout, a combination of a Lightning web component and an Apex method that returns a Continuation object is ideal. The Lightning web component can be used to build a user-friendly interface to collect the inputs, and the Continuation object in Apex allows for managing the callout in an asynchronous way. This pattern prevents the user interface from freezing and provides a better user experience by allowing the callout to run in the background.
Apex Developer Guide - Asynchronous Callouts to Long-Running Web Services Lightning Web Components Developer Guide
NEW QUESTION # 78
Business rules require a Contact ta always be created when a new Account is created.
What can be used when developing a custom screen to ensure an Account is not created if the creation of the Contact fails?
Answer: B
Explanation:
When developing a custom screen that requires both an Account and Contact to be created together, using setSavepoint() and rollback() within a try-catch block is a reliable way to ensure that if the Contact creation fails, the Account creation is also rolled back, maintaining data integrity.
NEW QUESTION # 79
A developer gets an error saying 'Maximum Trigger Depth Exceeded.'
What is a possible reason to get this error message?
Answer: C
Explanation:
The "Maximum Trigger Depth Exceeded" error message is typically caused by a trigger being recursively invoked too many times. Salesforce has a limit on the depth of trigger recursion to prevent infinite loops, which is 16 times.
NEW QUESTION # 80
As part of their quoting and ordering process, a company needs to send POFs to their document storage system's REST endpoint that supports OAuth 2.0. Each Salesforce user must be individually authenticated with the document storage system to send the PDF.
What is the optimal way for a developer to implement the authentication to the REST endpoint?
Answer: B
Explanation:
Named Credentials with OAuth handle secure API calls. Individual authentication for each user with OAuth 2.0 is managed through Named Credentials.
NEW QUESTION # 81
A developer needs to store variables to control the style and behavior of a Lightning Web Component.
Which feature can be used to ensure that the variables are testable in both Production and all Sandboxes?
Answer: A
Explanation:
Custom metadata types are the best feature for storing variables that control style and behavior of a Lightning Web Component. Unlike custom settings, custom metadata is deployable and testable in both Production and all Sandboxes.
NEW QUESTION # 82
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