Salesforce Arch-303 Exam Questions : Salesforce Certified B2C Commerce Architect

Exam Code: Arch-303
Exam Name: Salesforce Certified B2C Commerce Architect
Updated: Sep 08, 2026
Q&As: 68 Questions and Answers

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Salesforce Arch-303 Exam Syllabus Topics:

Section	Objectives
Deployment and Operations	- Monitoring and troubleshooting Commerce Cloud solutions - Release management and deployment pipelines
Integration and APIs	- OCAPI and SCAPI usage patterns - Integration with Salesforce ecosystem and external systems
B2C Commerce Architecture	- Commerce Cloud architecture fundamentals - Multi-site architecture and scaling considerations
Performance and Scalability	- Caching strategies and performance optimization - High availability and scalability design
Data Modeling and Product Catalog	- Catalog and pricing architecture - Product data modeling strategies
Security and Identity	- Data security and compliance considerations - Authentication and authorization models

Salesforce Certified B2C Commerce Architect Sample Questions:

Question #1

A B2C Commerce developer has recently completed a tax service link cartridge integration into a new SHU site. During review, the Architect notices the basket calculation hook is being run multiple times during a single tax call.
What is the reason for the duplicate calculations being run?

A. Thecheckout is designed to recursively refer to the same hook.
B. The LINK cartridge Is Included multiple times in the cartridge path.
C. There are multiple hook.js Wes referring to the same hook.
D. The tax cat is being called multiple times.

Answer: C

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Question #2

During a review of the most recent release notes, the Architect finds that Salesforce has deprecated an API that is used throughout the site. After reviewing the deprecated API usage in Business Manager, the Architect narrows down the usage of that API to a particular LINK integration cartridge. The cartridge was integrated when the site was first launched and is heavily customized for the Client.
What is the recommended way for the Architect to remove the deprecated API so the LINK integration continues to work without interruptions, and lowest level of effort'

A. The Architect should update all the deprecated API cats in the already integrated LINK cartridge and test thoroughly.
B. The Architect should contact the company that created the LINK cartridge to fix the issue and provide the client with updated code.
C. The Architect does not need to do anything at this time, the API will continue to work with no issues for the foreseeable future.
D. The Architect should check to see If the LINK cartridge has been updated already, integrate It, apply the customisations, and teat thoroughly.

Answer: D

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Question #3

During discovery, the customerrequired a feature that is not inducted in the standard Storefront Reference Architecture CSFRA). In order to save budget, the Architect needs to find the quickest way to implement this feature.
What is the primary resource the Architect should use to search for an existing community Implementation of the requested feature?

A. Salesforce B2C Commerce Documentation
B. Salesforce Commerce Cloud Trailblazer community
C. Salesforce Commerce Cloud GitHub repository
D. Salesforce Trailblazer Portal

Answer: C

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Question #4

A developer is validating the pipeline cache and noticed that the PDP page is very low cached. The one parameter is snowing the position on the product fisting page upon checking the site and code.
What should the developer adjust in order to improve the page cache hit ratio, keeping in mind that the client is Insisting on the parameter for their analytics?

A. Rework the implementation so it reads the parameter on client-side, passesit to the analytics and exclude It from cache parameters.
B. Rework the Implementation so it doesn't depend on that parameter.
C. Rework the Implementation so the parameter is not passed In the URL and isread from the URL hash.
D. Add the key to the cache exclude parameters.

Answer: D

Question #5

An Architect has been asked by the Business to integrate a newpayment LINK cartridge. As part of the integration, the Architect has created four new services to access various endpoints in the integration.
How can the Architect move the new services to Production when the integration is ready for launch?

A. The new services will be moved to Production with a Data Replication.
B. The new services must be manually exported from staging and Imported into Production.
C. The new services will be moved to Production with a Code Replication.
D. The new services will be moved to production with a Site Import.

Answer: C

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