B2B-Commerce-Developer시험패스가능한공부문제 - B2B-Commerce-Developer최신시험최신덤프자료

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>> B2B-Commerce-Developer시험패스 가능한 공부문제 <<

B2B-Commerce-Developer최신 시험 최신 덤프자료 & B2B-Commerce-Developer퍼펙트 덤프 최신 데모

많은 분들이Salesforce B2B-Commerce-Developer시험을 패스하려고 하는데 시험대비방법을 찾지 못하고 계십니다. Salesforce B2B-Commerce-Developer덤프를 구매하려면 먼저Salesforce B2B-Commerce-Developer샘플문제를 다운받아 덤프품질을 검증후 주문하시면 믿음이 생길것입니다. Salesforce B2B-Commerce-Developer시험대비덤프는 IT업계에 오랜 시간동안 종사한 전문가들의 노하우로 연구해낸 최고의 자료입니다.

Salesforce B2B-Commerce-Developer Certification 시험은 사용자 인터페이스 개발, 플랫폼 사용자 정의, 데이터 관리, 외부 시스템과의 통합 및 비즈니스 요구 사항을 충족하는 솔루션 설계 및 배포에 대한 후보자의 숙련도를 평가하도록 설계되었습니다. 인증 시험은 또한 B2B 전자 상거래의 주요 원칙과 모범 사례에 대한 후보자의 이해를 검증하기위한 것입니다.

Salesforce B2B-Commerce-Developer 시험은 Salesforce 인증 B2B Commerce 개발자 자격증을 취득하고자하는 전문가들의 지식과 기술을 시험하는 것을 목적으로합니다. 이 자격증은 Salesforce B2B Commerce 경험이 있는 개발자를 대상으로 하며 B2B 비즈니스의 독특한 요구 사항을 충족하기 위해 플랫폼을 구성 및 사용자 정의하는 전문성을 증명하고자하는 분들을 대상으로합니다.

최신 Salesforce Developer B2B-Commerce-Developer 무료샘플문제 (Q141-Q146):

질문 # 141
A developer has made a component with a lightning combobox in the follow! markup. To handle changes on the combobox, what should replace <CHANGE FVENT>?

정답：A

설명：
Explanation
To handle changes on the combobox, the developer should replace <CHANGE EVENT> with {handleChange}. The handleChange is a function that is defined in the JavaScript file of the Lightning web component and is invoked when the value of the combobox changes. The developer can use this functionto perform custom logic or actions based on the selected value of the combobox, such as updating other components or properties, calling Apex methods or services, or firing events. The developer can use the onchange attribute to bind the handleChange function to the combobox element in the HTML file of the Lightning web component. The onchange attribute is an HTML attribute that specifies a function to be executed when the value of an element changes. {event:handleChange} is not a valid way to handle changes on the combobox, as it is not a valid syntax for binding a function to an element.
javascript:void(0);handleChange(); is not a valid way either, as it is not a valid syntax for binding a function to an element. {handleChange()} is not a valid way either, as it is not a valid syntax for binding a function to an element. Salesforce References: Lightning Web Components Developer Guide: Handle Events, Lightning Web Components Developer Guide: Communicate with Properties, Lightning Web Components Developer Guide: lightning-combobox


질문 # 142
Which two technologies can subscribe to the CommerceDiagnosticEvents event?

정답：A,D

설명：
Two technologies that can subscribe to the CommerceDiagnosticEvents event are Aura Components and Lightning web components. CommerceDiagnosticEvents is an event that is fired by Salesforce B2B Commerce when an error occurs in the storefront. CommerceDiagnosticEvents contains information about the error, such as error code, error message, error type, and error details. CommerceDiagnosticEvents can be subscribed by other components or services that want to handle or display the error information in different ways. Aura Components are a type of component that can be used to create custom user interfaces for Salesforce apps. Aura Components can subscribe to CommerceDiagnosticEvents using an aura:handler tag in their markup file. The aura:handler tag specifies an event name, an action attribute that defines a controller function to handle the event, and other optional attributes. Lightning web components are another type of component that can be used to create custom user interfaces for Salesforce apps. Lightning web components can subscribe to CommerceDiagnosticEvents using an @wire decorator in their JavaScript file. The @wire decorator specifies an event name, a function name that defines a handler for the event, and other optional parameters. Processes are not a technology that can subscribe to CommerceDiagnosticEvents, as they are not related to user interface development or event handling. Processes are automated workflows that execute actions based on certain criteria or conditions in Salesforce. Streaming API is not a technology that can subscribe to CommerceDiagnosticEvents either, as it is not related to user interface development or event handling. Streaming API is an API that allows applications to receive notifications of data changes in Salesforce in near real-time. Salesforce Reference: [B2B Commerce Developer Guide: Handle Errors], [Aura Components Developer Guide: Handle Component Events], [Lightning Web Components Developer Guide: Communicate with Events], [Salesforce Help: Process Automation], [Salesforce Developer Guide: Streaming API]


질문 # 143
How can a developer establish communication between components that are not in the same DOM (Document Object Model) tree?

정답：D

설명：
To establish communication between components that are not in the same DOM (Document Object Model) tree, a developer can use the publish-subscribe pattern. The publish-subscribe pattern is a messaging pattern thatallows components to communicate with each other without being directly connected or aware of each other. The components can publish events to a common channel and subscribe to events from that channel.
The channel acts as a mediator that delivers the events to the subscribers. The developer can use a custom library or a Salesforce platform service, such as Lightning Message Service or Platform Events, to implement the publish-subscribe pattern. Configuring the targets property is not a way to communicate between components that are not in the same DOM tree, as it only defines where a component can be used in an app.
Using dispatch events is not a way either, as it only works for components that are in the same DOM tree or have a parent-child relationship. Using @api decorators is not a way either, as it only exposes public properties or methods of a component to other components that use it. Salesforce References: Lightning Web Components Developer Guide: Communicate AcrossSalesforce UI Technologies, Lightning Web Components Developer Guide: Communicate with Events, [Lightning Web Components Developer Guide:
Communicate with Properties]


질문 # 144
Which three actions are applicable when extending a default Salesforce B2B Commerce page via a page include? (3 answers)

정답：A,D,E


질문 # 145
A developer is building a custom component in Lightning web components (LWC) that has a grandchild component that needs to pass information to the grandparent component. What is the correct way to demonstrate the passing of a message from the grandchild component to the grandparent component?

정답：D

설명：
Explanation
The correct way to demonstrate the passing of a message from the grandchild component to the grandparent component in LWC is to use the PubSub library. The PubSub library is a utility that enables Lightning web components to communicate across the DOM tree without using intermediaries. The grandchild component can publish a message to a channel, and the grandparent component can subscribe to that channel and receive the message. This way, the communication is decoupled and does not depend on the component hierarchy.
Option B shows the correct syntax for using the PubSub library to pass a message from the grandchild component to the grandparent component. Option A is incorrect because it uses the @api decorator to expose a property on the grandchild component, which is not a valid way to communicate with the grandparent component. Option C is incorrect because it uses the @wire decorator to wire a property on the grandchild component to a function on the grandparent component, which is also not a valid way to communicate with the grandparent component. Option D is incorrect because it uses the @track decorator to track a property on the grandchild component, which is not a valid way to communicate with the grandparent component. References: Communicate Across the DOM |Lightning Web Components Developer Guide, Child to grandparent communication in LWC, PubSub Library for Lightning Web Components


질문 # 146
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