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| Section | Weight | Objectives |
|---|---|---|
| B2B Commerce Architecture & Data Model | 25% | - Core data model: products, catalogs, accounts, orders, pricing - Platform architecture and reference implementation - Object relationships and data structure |
| Storefront Customization & UI Development | 25% | - Storefront component extension and customization - Experience Builder and page design - Lightning Web Components (LWC) development |
| Security, Performance & Deployment | 10% | - Security model and access control - Performance optimization and governor limits - Deployment and change management |
| Business Logic & Order Management | 20% | - Pricing rules, promotions and entitlements - Checkout flow customization - Order processing, workflows and business rules |
| Integration & APIs | 20% | - Integration with external systems (ERP, PIM) - Apex integrations, callouts and platform events - REST, GraphQL and SOAP APIs usage |
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NEW QUESTION # 165
Which handlebars helper function is used on Salesforce B2B Commerce pages and components for formatting price values?
Answer: B
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 # 166
A developer is on a tight timeline and needs to implement a Lightning web component which can read, create and modify single records. What is the recommended path forward?
Answer: C
Explanation:
To implement a Lightning web component which can read, create and modify single records, the recommended path forward is to use Lightning Data Service. Lightning Data Service is a service that provides access to Salesforce data and metadata, cache management, and data synchronization across components. Lightning Data Service allows developers to use standard components or base components to perform CRUD (create, read, update, delete) operations on single records without writing Apex code or SOQL queries. Lightning Data Service also handles data caching, performance optimization, and conflict resolution automatically. Using base components is not a sufficient way to implement a Lightning web component which can read, create and modify single records, as base components are only user interface elements that do not provide data access or manipulation functionality by themselves. Base components need to be used with Lightning Data Service or other services to perform CRUD operations on single records. Writing custom functions against a wire adapter is not a recommended way to implement a Lightning web component which can read, create and modify single records, as it involves writing complex and error-prone JavaScript code that may not be efficient or scalable. Writing custom functions against a wire adapter also requires handling data caching, performance optimization, and conflict resolution manually. Creating an Apex controller is not a recommended way either, as it involves writing Apex code that may not be necessary or optimal for performing CRUD operations on single records. Creating an Apex controller also requires exposing Apex methods using @AuraEnabled or @RemoteAction annotations and invoking them from JavaScript code using imperative calls or promises. Salesforce Lightning Web Components Developer Guide: Access Salesforce Data,Lightning Web Components Developer Guide: Base Components, [Lightning Web Components Developer Guide: Call Apex Methods]
NEW QUESTION # 167
Which wire adapter should a developer use to retrieve metadata about a specific object?
Answer: D
Explanation:
To retrieve metadata about a specific object, a developer should use the getObjectInfo wire adapter. The getObjectInfo wire adapter imports data from the @salesforce/schema module and returns an object that contains information such as the object's label, key prefix, fields, child relationships, record type infos, and theme. The getObjectMetadata wire adapter does not exist. The getObject wire adapter does not retrieve metadata, but rather returns a record object based on the record ID. The getObjectDescribe wire adapter does not exist either. Salesforce [Lightning Web Components Developer Guide: getObjectInfo], [Lightning Web Components Developer Guide: Import Salesforce Schema]
NEW QUESTION # 168
Which two blocks of code are needed to implement a custom getter in a Lightning web component?
Answer: A,B
Explanation:
custom getter in a Lightning web component is a JavaScript function that executes logic each time a public property is accessed. A custom getter must start with the keywordgetand be followed by a name for the property. A custom getter must also have a corresponding custom setter, which is a function that executes logic each time a public property is assigned a value. A custom setter must start with the keywordsetand have the same name as the getter. One of the getter or setter functions must be annotated with@api, which makes the property public and reactive.
Option A and Option D show the correct syntax for defining a custom getter and setter for a public property calledname. Option A shows the getter function, which returns the value of a private property called_name. Option D shows the setter function, which assigns the value of the parametervalueto the private property_name. The getter function is annotated with@api, which makes thenameproperty public and reactive.
Option B and Option C are incorrect because they do not follow the syntax for a custom getter and setter. Option B shows a regular function declaration, not a getter function. Option C shows a regular assignment statement, not a setter function. Neither option uses the@apidecorator, which is required for a public property.Reference:
Getters and Setters
Understand getter in Lightning Web component
NEW QUESTION # 169
What are two advantages of using Lightning Data Service?
Answer: B,C
Explanation:
Two advantages of using Lightning Data Service are that it combines and de-duplicates server calls and that it loads record data progressively. Lightning Data Service is a service that provides access to Salesforce data and metadata in Lightning web components. It optimizes performance and minimizes server round trips by caching data on the client side and sharing data across components. It also combines and de-duplicates server calls by batching requests for the same record or object and returning a single response. It also loads record data progressively by returning available cached data first and then fetching updated data from the server asynchronously. Communicating with other components and converting between different data formats are not advantages of using Lightning Data Service, as they are not related to its functionality or features. Salesforce Lightning Web Components Developer Guide: Lightning Data Service,Lightning Web Components Developer Guide: Work with Salesforce Data
NEW QUESTION # 170
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