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| Section | Objectives |
|---|---|
| Topic 1: Data Modeling and Management | - Data access and security
|
| Topic 2: Application Development | - Advanced Apex programming
|
| Topic 3: Integration and APIs | - Platform events and messaging
|
| Topic 4: Testing and Deployment | - Testing strategies
|
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NEW QUESTION # 31
As part of a custom interface, a developer team creates various new Lightning web components. Each of the components handles errors using toast messages. When the development is complete, all the components are added to the same Lightning page.
During acceptance testing, users complain about the long chain of toast messages that display when errors occur loading the components.
Which two techniques should the developer implement to improve the user experience?
Choose 2 answers
Answer: A,B
Explanation:
The scenario describes a common issue when multiple components are used on the same Lightning page and each component manages its error handling independently, leading to a "long chain of toast messages" which can be overwhelming for users.
To improve user experience, the developers can implement the following techniques:
A . Use a Lightning web component to aggregate and display all errors: This method involves creating a centralized component responsible for handling all error messages. This component would receive error notifications from other components and then display them in a user-friendly manner. The benefit of this approach is that it provides a single, consistent interface for error messages, reducing the clutter and confusion that can be caused by multiple toasts.
D . Use public properties on each component to display the error messages: By using public properties, components can expose their error states to a parent or orchestrating component, which can then display these errors in a single, consolidated way. This avoids the issue of multiple toast notifications and allows for a more integrated error handling experience.
The other options presented are less ideal:
B . Using the window.alert() method is not recommended in a professional Salesforce environment as it is considered a disruptive way to show errors and does not align with the Salesforce Lightning design system.
C . Using a <template> tag to display in-place error messages could be a viable option for displaying error messages within the component itself, but it does not address the issue of multiple errors stacking up from different components as described in the scenario.
For building a centralized error handling component: Lightning Web Components Developer Guide - Error Handling For implementing public properties: Lightning Web Components Developer Guide - Public Properties
NEW QUESTION # 32
Which technique can run custom logic when a Lightning web component is loaded?
Answer: A
Explanation:
The connectedCallback() lifecycle hook in Lightning Web Components (LWC) is used to perform logic after a component is inserted into the DOM, making it the ideal place to execute custom logic when the component is loaded.
NEW QUESTION # 33
Given a list of Opportunity records named opportunityList, which code snippet is best for querying all Contacts of the Opportunity's Account?
A)
B)
C)
D)
Answer: B
NEW QUESTION # 34
Universal Containers (LIC) wants to develop a customer community to help their customers log issues with their containers. The community needs to function for their German- and Spanish-speaking customers also. UC heard that it's easy to create an international community using Salesforce, and hired a developer to build out the site.
What should the developer use to ensure the site is multilingual?
Answer: A
Explanation:
Custom labels are used for translating text strings in Salesforce that need to be presented in multiple languages. They support translations and can be referenced in Aura components, Visualforce pages, and Apex code.
NEW QUESTION # 35
Recently, users notice that fields that were recently added for one department suddenly disappear without warning.
Which two statements are true regarding these issues and resolution?
Choose 2 answers
Answer: A,C
Explanation:
Using a dedicated sandbox for testing before deployment can prevent issues like overwriting changes in production. When administrators deploy their own change sets without coordination, they might inadvertently overwrite each other's changes, including page layouts. Best Practices for Deployments with Change Sets
NEW QUESTION # 36
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