Free Salesforce ARC-300 Practice Test & Real Exam Questions

Exam Code/Number: ARC-300
Exam Name/Title: Architect B2C Commerce Solutions
Certification Provider: Salesforce
Corresponding Certification: Salesforce Architect

Exam Questions: 67
Updated On: Aug 06, 2026

Question #1

Northern Trail Outfitters (NTO) operate 200 physical stores. NTO has products that are available in some of the physical stores and not available in others. The closest physical store is determined based on customer s post zip code when they are shopping online. Only the products that are available in the customer's closest physical store should be presented to the customer to the search results.
What are the two feasible technical approaches to meet these requirements?
Choose 2 answers

A. Create a separate shipping method per physical store. Use post/zip code to determine the applicable shipping method. Show only the products that are not excluded from the shipping method.

B. Create a separate site per physical store. Use post/zip code to redirect the customer to the relevant site. Show the products from the site navigation catalog.

C. Create a separate pricebook per physical store. Use post/zip code to activate this pricebook through a customer group. Show only the products with price by applying price refinement.

D. Create a separate category per physical store use post/Tip code with a mapping to determine the relevant category. Show only the products from this category.

Discussion 0

Correct Answer: A,C Vote an answer

Question #2

During implementation, the team found that there is a notification controller exposed for an external service that marks the order as paid when notification is received. The notification URL is sent to the service together with the payment request and contains only the URL with orderlD as the parameter.
What should the Architect recommend to the team in order to prevent the unauthorized usage of the controller to mark the orders as paid?

A. Add a customer number in the callback URL and match the customer number against the one stored on the order.

B. Add an order token in the callback URL and match the token against the one stored on the order.

C. Add a session attribute and validate it on the callback.

D. Add HTTPS restriction to the controller start node.

Discussion 0

Correct Answer: B Vote an answer

Question #3

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. There are multiple hook.js Wes referring to the same hook.

B. The tax cat is being called multiple times.

C. The checkout is designed to recursively refer to the same hook.

D. The LINK cartridge Is Included multiple times in the cartridge path.

Discussion 0

Correct Answer: B Vote an answer

Question #4

The storefront integrates with a REST based Address verification service (AVS) that uses token based security. The sequence of calls in the API documentation for this AVS looks like the following
1. Client authentication call, which contains the merchantId and secret in a GET request and returns a token in the response.
2. Address verification call, which contains the token and the address to verify in a POST request.
Once the token is obtained, it is valid for hours and it is not needed to request a new one for subsequent address verification calls, the AVS charges for every request made no matter if it is client authentication call or address verification call.
Which three strategies could be applied to allow for efficient use of the service without compromising security? Choose 3 answers

A. Obtain the token from a custom cache before making the client authentication call.

B. Apply page caching to the client authentication controller that is used with AJAX.

C. Use HTTPService caching for the client authentication call.

D. Obtain the token from local storage of the browser and update it once It expires.

E. Use a job to store and update the token in a custom object that is used from the storefront code

Discussion 0

Correct Answer: A,B,C Vote an answer

Question #5

A developer is remotely fetching the reviews for a product.
Assume that it's an HTTP GET request and caching needs to be implemented, what consideration should the developer keep in mind for building the caching strategy?

A. Cache the HTTP service request

B. Remote include with caching only the reviews

C. Use custom cache

D. Cached remote include with cache of the HTTP service

Discussion 0

Correct Answer: A Vote an answer

Question #6

An Architect to notify by the Business that order conversion dramatically dropped a few hours after go live. Further investigation points out that customers cannot proceed to checkout anymore. The Architect is aware that a custom inventory checks with a third-party API is enforced at the beginning of checkout, and that customers are redirected to the basket page when items are no longer in stock Which tool can dearly confirm that the problem is indeed caused by the inventory check?

A. Realtime Report from Reports and Dashboards

B. Sales Dashboard from Reports and Dashboards

C. Pipeline Profiler from Business Manager

D. Service Status from Business Manager

Discussion 0

Correct Answer: D Vote an answer

Question #7

A new dent is moving from their existing ecommerce platform to B2C Commerce. They have an existing service that connects to the Email Marketing System. The endpoint of the service can directly parse the data posted by the customer from the Storefront page for marketing materials subscriptions. it if required that the service implementation on the B2C Commerce site supports authentication and encoding.
What type should the Architect document this new service as?

A. HTTP Form

B. Generic

C. HTTP

D. SOAP

Discussion 0

Correct Answer: D Vote an answer

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