Most Recent Salesforce ARC-300 Exam Dumps

Prepare for the Salesforce Architect B2C Commerce Solutions exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Salesforce ARC-300 exam and achieve success.

The questions for ARC-300 were last updated on Jul 22, 2026.

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Question No. 1

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?

ACache the HTTP service request

BRemote include with caching only the reviews

CUse custom cache

DCached remote include with cache of the HTTP service

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Correct Answer: A

Question No. 2

A developer is checking for Cross Site Scripting (XSS) and found that the quick search is not escaped (allows inclusion of Javascript) in the following script:

How would the developer resolve this issue?

AReplace ' with double Quote*

BUse <isprint value='${searchPhrase}* encoding-'jshtmr />

CUse <isprint value='${searchPhrase} encoding-'jsblock' />

DUse <toprint value='${searchPhrase}' />

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Correct Answer: C

Question No. 3

A new project for a Client will involve a few different Integrations to their middleware system resulting in four different web services. All will use the same credentials to the middleware. Each will have the same timeout, but will require a separate log file prefix.

How should the Architect set this up with the Service framework using a minimal set of configuration?

AFour Service Configurations. Four Service Profiles, One Service Credential

BFour Service Configurations. Four Service Profiles, Four Service Credentials

CFour Service Configurations. One Service Profile, One Service Credential.

DOne Service Configuration, Four Service Profiles, One Service Credential.

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Correct Answer: C

Question No. 4

The Client is creating a new Storefront and their requirements include:

* ApplePay support

* Log -n through a standard OAuth2 social media account

* One Okie checkout process

* Ay B testing for promotions

Which two items require technical documentation for customizing the Storefront Reference Architecture?

Choose 2 answers

AOne Click checkout process

BApplePay support

Clog in through a standard OAuth2 social media account

DA/B testing for promotions

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Correct Answer: A, B

Question No. 5

A Client has automated builds that deploy the code; however, recent builds started failing with compilation issues, which are not reproducible in developer's environment.

Whet first step needs to be taken to identify and fix the issue?

AClean up build server work space and run job again.

BVerify the modules versions used to generate the code.

CVerify the generated JavaScript and CSS for the build.

DRecreate the job in the build server to verify compilation issues.

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Correct Answer: B

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