Free Salesforce B2B-Commerce-Developer Exam Practice Questions & Explanations

Last updated on: Sep 13, 2026
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Question 1

While working on a commerce rollout, a developer needs to update the checkout process so that buyers can purchase with one of the below payment types.

* Credit Card

* Purchase Order

* Contract Now & Pay Later

Additionally, the developer needs to show only Purchase Order and Contract Now & Pay Later if a custom checkbox field on the account is checked.

How should the developer meet these requirements?

Answer Options
Correct Answer: B
Explanation

To update the checkout process so that buyers can purchase with one of the below payment types:

Credit Card

Purchase Order

Contract Now & Pay Later Additionally, show only Purchase Order and Contract Now & Pay Later if a custom checkbox field on the account is checked, a developer should create a custom Lightning web component for the checkout flow that has all the options available. Within that component, pull data from the account to determine which options to show. Creating a custom Lightning web component for the checkout flow allows the developer to define custom logic and user interface for processing payments using different payment types. The developer can use Apex methods or third-party APIs to integrate with payment service providers or payment gateways and handle payment authorization, capture, void, and refund. The developer can also use @wire or @api decorators to get data from the account object and use its properties, such as the custom checkbox field, to determine which payment options to show or hide based on business logic. Creating a custom Lightning web component that can be used with the standard payment component is not a valid way to meet this requirement, as it does not allow the developer to replace or modify the standard payment component's logic or user interface. Modifying the standard payment component settings in the checkout screen flow and adding the new payment method is not a valid way either, as it does not allow the developer to add custom payment types or conditional logic based on account data. Adding a new payment gateway through the reference implementation steps so the payment shows up on the checkout payment screen is not a valid way either, as it does not allow the developer to add multiple payment options or conditional logic based on account data. Salesforce Reference: B2B Commerce Developer Guide: Payment Integration, B2B Commerce Developer Guide: Payment Component, B2B Commerce Developer Guide: Checkout Subflow

Question 2

Northern Trail Outfitters (NTO) wants to be able to reference historical data in another system from the Salesforce user experience as read-only, but does not want to import the data into the

org or incur storage costs. What is one product feature that could accomplish this?

Answer Options
Correct Answer: C
Explanation

The correct answer isExternal Objects.External objects are similar to custom objects, except that they map to data that's stored outside your Salesforce org12.You can use external objects to access data in real time via web service callouts, without copying the data into your org12.External objects are read-only by default, but you can enable write operations for some data sources12.

Big Objects are not the correct answer. Big objects allow you to store and manage massive amounts of data on the Salesforce platform. However, big objects are not suitable for referencing historical data in another system, as they require importing the data into the org and incur storage costs.

Lightning Out is not the correct answer. Lightning Out is a feature that lets you run Lightning components in any container outside the Salesforce platform. However, Lightning Out does not provide a way to reference historical data in another system, as it is mainly used for embedding Lightning components in other web pages or apps.

External SOQL queries in Apex code are not the correct answer. External SOQL queries are a way to query data from external data sources using SOQL syntax in Apex code. However, external SOQL queries require defining an external data source and an external object first, so they are not a product feature by themselves, but rather a way to use external objects in Apex code.Reference:

B2B Commerce on Lightning Experience Developer Guide

B2B Commerce and D2C Commerce Developer Guide

Salesforce Accredited B2B Commerce Developer

Work with External Data Sources

Access External Data With Salesforce Connect

Migrate data from one organization to another

Monitor Login History

[Big Objects]

[Lightning Out]

[External SOQL Queries]

Question 3

How are variables bound when services use the ccSercviceDao classto execute queries?

Answer Options
Correct Answer: C
Explanation

When services use the ccServiceDao class to execute queries, variables are bound by string substitution. This means that the query string contains placeholders for variables that are replaced by their values at runtime. For example,ccrz.ccServiceDao.getQuery('SELECT Id FROM Account WHERE Name = :name')will replace:namewith the value of thenamevariable.

Question 5

How are version related upgrades passed on to subscriber API extensions/overrides?

Answer Options
Correct Answer: D
Explanation

Version-related upgrades are passed to subscriber API extensions and overrides through API versioning mechanisms that maintain backward compatibility. When a platform upgrades its API version, subscriber extensions receive the updates through:

  • Versioned API contracts - Each API version maintains its own interface definition
  • Extension points - Upgrades propagate through established extension/override patterns
  • Annotation-based versioning - Developers use version annotations to control which API versions their extensions target
  • Adapter pattern - The platform may provide adapters to bridge old extension code with new API versions

The key principle is that upgrades flow through the platform's extension framework without requiring developers to manually update their overrides for each version change, provided they follow the supported extension patterns.