ValidVCE offers verified, authentic Salesforce AP-202 Real Questions and answers, which are essential for passing the B2B Commerce for Developers Accredited Professional (AP-202). These questions and answers have been designed by Sitecore experts and can be easily downloaded on a PC, MacBook, or smartphone for comfortable and convenient learning.
| Section | Weight | Objectives |
|---|---|---|
| Storefront Customization & UI Development | 25% | - Storefront component extension and customization - Lightning Web Components (LWC) development - Experience Builder and page design |
| Security, Performance & Deployment | 10% | - Security model and access control - Deployment and change management - Performance optimization and governor limits |
| Integration & APIs | 20% | - REST, GraphQL and SOAP APIs usage - Apex integrations, callouts and platform events - Integration with external systems (ERP, PIM) |
| B2B Commerce Architecture & Data Model | 25% | - Platform architecture and reference implementation - Object relationships and data structure - Core data model: products, catalogs, accounts, orders, pricing |
| Business Logic & Order Management | 20% | - Order processing, workflows and business rules - Checkout flow customization - Pricing rules, promotions and entitlements |
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NEW QUESTION # 101
Which two methods should a developer implement in a Lightning web component to successfully handle the subscription lifecycle of a Message Channel?
Answer: A,D
Explanation:
To handle the subscription lifecycle of a message channel in a Lightning web component, the developer should implement thesubscribe()andunsubscribe()methods from thelightning/messageServicemodule. Thesubscribe()method returns a subscription object that represents the connection to the message channel. The developer can use this object to unsubscribe from the message channel later. Theunsubscribe()method takes a subscription object as a parameter and removes the listener from the message channel. The developer should call theunsubscribe()method when the component is disconnected from the DOM, such as in thedisconnectedCallback()lifecycle hook, to avoid memory leaks and performance issues.
The other options are not correct because:
B) stopListener() is not a valid method for handling the subscription lifecycle of a message channel. There is no such method in thelightning/messageServicemodule or the Lightning web component framework.
C) startListener() is not a valid method for handling the subscription lifecycle of a message channel. There is no such method in thelightning/messageServicemodule or the Lightning web component framework.
Subscribe and Unsubscribe from a Message Channel
Lifecycle Hooks
Use message channel in both direction
NEW QUESTION # 102
In which two ways can events fired from Lightning web components be handled?
Answer: B,C
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 # 103
Northern Tail Outfitters (NTO) is converting an existing aura component into a Lightning Web Component. The aura component has the following source code:
What is the equivalent of this code in a Lightning Web Component?
Answer: C
Explanation:
The equivalent of this code in a Lightning web component is option B. Option B uses the @api decorator to expose firstName as a public property of the Lightning web component and communicate it with other components or services. The @api decorator is a decorator that marks a property or method as public, which means that it can be accessed by other components or services that use or consume this component. The @api decorator also makes the property reactive, which means that it can track changes and update the component accordingly. In option B, firstName is exposed as a public property using the @api decorator and passed to the child element using an attribute. Option A is incorrect because it uses an invalid syntax for exposing firstName as a public property. The @api decorator should be used before the property declaration, not after it. Option C is incorrect because it uses an invalid syntax for exposing firstName as a public property. The @api decorator should be used with parentheses, not without them. Option D is incorrect because it uses an invalid syntax for exposing firstName as a public property. The @api decorator should be used with camel case, not with hyphens. Salesforce Lightning Web Components Developer Guide: Communicate with Properties, Lightning Web Components Developer Guide: Decorators
NEW QUESTION # 104
Why is the use of a standard Visualforce control such as apex:form discouraged in Salesforce B2B Commerce page includes and subscriber pages?
Answer: B
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 # 105
Which two statements are true regarding the cc_CallContext class in Salesforce B2B Commerce? (2 answers)
Answer: A,B
Explanation:
The cc_CallContext class is a utility class that provides access to various context level parameters, such as the current storefront, user, cart, price list, currency, locale, and session. The class can be used internally within Salesforce B2B Commerce and in subscriber code to access these parameters. The current storefront is accessible via this class by using the getStorefront method, which returns a cc_Storefront__c object. The userLocale variable returns the current Locale for storefront, but it is not part of the cc_CallContext class. It is a global variable that can be accessed from any Visualforce page or component by using {!userLocale}. The Salesforce session is accessible via the getSession method, but it is not part of the cc_CallContext class either. It is a method of the cc_SessionUtil class, which is another utility class that provides methods for managing sessions. Salesforce [B2B Commerce Developer Guide: cc_CallContext Class], [B2B Commerce Developer Guide: cc_SessionUtil Class]
NEW QUESTION # 106
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