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| Section | Objectives |
|---|---|
| Topic 1: Integration and APIs | - External system integration
|
| Topic 2: Testing and Deployment | - Testing strategies
|
| Topic 3: Application Development | - Asynchronous processing
|
| Topic 4: Data Modeling and Management | - Advanced data modeling
|
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NEW QUESTION # 137
Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter. The button looks to be clicked, but the LWC simply sits there, seemingly doing nothing.
What should the developer use to ensure error messages are properly displayed?
Answer: B
Explanation:
To ensure error messages are properly displayed in a Lightning web component, the developer should use JavaScript to handle errors in the component's client-side code and use HTML to display the message on the UI. This can be combined with Apex exception handling for server-side operations.
NEW QUESTION # 138
A company accepts orders for customers in their enterprise resource planning (ERP) system that must be integrated into Salesforce as order_ c records with a lookup field to Account. The Account object has an external ID field, ENF_Customer_ID_c.
What should the Integration use to create new Oder_c records that will automatically be related to the correct Account?
A)
B)
C)
D)
Answer: B
Explanation:
When integrating external systems with Salesforce and creating records that need to be associated with existing Salesforce records based on an external ID, Salesforce provides the ability to reference an external ID field in a related object directly within a create or update call.
Option A is correct because the upsert operation can be used to either insert new records or update existing ones. By specifying the external ID field (ENF_Customer_ID__c) for the Account relationship, the system will automatically link the Order__c record to the correct Account based on the external ID provided by the ERP system.
Options B, C, and D are incorrect because they do not specifically utilize the capability of referencing an external ID to associate records during an integration process.
Salesforce Developer Documentation on Inserting or Updating Records Using an External ID: Inserting or Updating Records Using an External ID
NEW QUESTION # 139
Universal Containers wants to notify an external system, in the event that an unhandled exception occurs, by publishing a custom event using Apex.
What is the appropriate publish/subscribe logic to meet this requirement?
Answer: A
Explanation:
When an unhandled exception occurs, publishing a custom platform event using EventBus.publish() method is the appropriate way. The external system can then subscribe to this event using technologies like CometD to receive notifications. Publish and Subscribe to Platform Events
NEW QUESTION # 140
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: B
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 # 141
Universal Charities (UC) uses Salesforce to collect electronic donations in the form of credit card deductions from individuals and corporations.
When a customer service agent enters the credit card information, it must be sent to 8 3rd-party payment processor for the donation to be processed, UC uses one payment processor for individuals and a different one for corporations.
What should a developer use to store the payment processor settings for the different payment processors, so that their system administrator can modify the settings once they are deployed, if needed?
Answer: C
Explanation:
Custom metadata types are ideal for storing payment processor settings that need to be changed by an administrator post-deployment. They can be deployed with managed packages and are upgradeable. Unlike Custom Objects, Custom Metadata Types also support a deployment with active data and can have their records retrieved via SOQL in Apex.
NEW QUESTION # 142
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