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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Lightning Web Component Development | 30% | - Custom LWC development
|
| Topic 2: Checkout Flow Development | 10% | - Checkout customization
|
| Topic 3: Basic Lightning Web Component Development | 20% | - LWC enhancement
|
| Topic 4: Reference Implementations | 15% | - Checkout and payment architecture patterns
|
| Topic 5: Data Management | 15% | - Commerce data modeling and integration
|
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NEW QUESTION # 78
Why is the use of a standard Visualforce control such as apex:form discouraged in Salesforce B2B Commerce page includes and subscriber pages?
Answer: A
Explanation:
The use of a standard Visualforce control such as apex:form is discouraged in Salesforce B2B Commerce page includes and subscriber pages because the CCRZ JavaScript object is not accessible within an apex:form control. The CCRZ JavaScript object is a global object that provides access to various B2B Commerce functions and properties, such as logging, utilities, events, and configuration. Using an apex:form control would prevent the developer from using the CCRZ JavaScript object and its features. Visualforce does not "scope" controls that are present on a page and scope of the control will be set to "ccrz", as this is not a valid statement. Apex:form does not render DOM components slowly, as this is not a performance issue. JavaScript events are supported within an apex:form control, as this is not a limitation. Salesforce B2B Commerce Developer Guide: CCRZ JavaScript Object, B2B Commerce Developer Guide: Page Includes
NEW QUESTION # 79
In which two ways can events fired from Lightning web components be handled?
Answer: A,B
Explanation:
Two ways that events fired from Lightning web components can be handled are programmatically adding event listeners and attaching handlers to DOM elements. Programmatically adding event listeners is a way of handling events by using JavaScript code to register functions that are invoked when an event occurs. The developer can use methods such as addEventListener or @wire to add event listeners to components or services that fire events. Attaching handlers to DOM elements is a way of handling events by using HTML attributes to bind functions that are invoked when an event occurs. The developer can use attributes such as onclick or onchange to attach handlers to DOM elements that fire events. Adding callbacks to components is not a valid way of handling events fired from Lightning web components, as it is not related to event handling, but rather to asynchronous programming. Listening for all possible events at the document root is not a valid way either, as it is not efficient or recommended for event handling, as it can cause performance issues or conflicts with other event listeners. Salesforce [Lightning Web Components Developer Guide: Handle Events], [Lightning Web Components Developer Guide: Communicate with Events]
NEW QUESTION # 80
Which handlebars helper function is used on Salesforce B2B Commerce pages and components for formatting price values?
Answer: D
Explanation:
The handlebars helper function that is used on Salesforce B2B Commerce pages and components for formatting price values is formatPrice. This function will format a numeric value as a price according to the currency settings and locale of the storefront. For example,{{formatPrice price}}will format the price value as $1,234.56 for US dollars or 1.234,56 for euros. Salesforce B2B Commerce and D2C Commerce Developer Guide,Handlebars Helpers
NEW QUESTION # 81
Which three components should a developer use on the product page to replace the out-of-the-box Product Detail Card component?
Answer: D
NEW QUESTION # 82
A developer is working on an existing checkout implementation built against the Lightning Web Runtime (LWR) and wants to implement a custom child checkout component to modify out-of-the-box functionality.
Which interface must the developer implement for the child component?
Answer: A
Explanation:
:To implement a custom child checkout component for a B2B or B2C store created with an LWR template, the developer must implement the CheckoutStep interface from thecommerce/checkoutmodule. This interface defines the methods and properties that the child component must have to communicate with the parent checkout component and the checkout data provider. The CheckoutStep interface extends the UseCheckoutComponent interface, which provides the common functionality for all checkout components, such as loading and saving data, reporting validity, and handling errors.
The other options are not correct because:
A) CheckoutSavable is not a valid interface for a custom child checkout component. There is no such interface in thecommerce/checkoutmodule or the Lightning web component framework.
B) Checkoutoutinterface is not a valid interface for a custom child checkout component. There is no such interface in thecommerce/checkoutmodule or the Lightning web component framework.
C) CustomCheckout is not a valid interface for a custom child checkout component. There is no such interface in thecommerce/checkoutmodule or the Lightning web component framework.
Create a Custom Checkout Component for a B2B or B2C Store (LWR)
CheckoutStep Interface
UseCheckoutComponent Interface
NEW QUESTION # 83
......
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