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Correct : C

To handle the import of promotion and coupon data from an SFTP location, the best approach is to create a job consisting of three steps as described in option C. The first step involves a custom script to download the files from the SFTP server---this is necessary because file retrieval from external servers typically requires specific connectivity and security configurations that are best handled in a custom-coded step. The subsequent two steps would utilize standard Salesforce B2C Commerce job steps to import the downloaded promotion and coupon data into the platform. This method ensures that the data flow is streamlined, from retrieval through to integration into the Commerce platform.

Correct : D

When QA encounters issues with login persistence across multiple computers, where subsequent logins lead to a redirection and an emptied basket, the likely culprit could be unintended caching of login-related pages or processes. In Salesforce B2C Commerce, certain cache settings might inadvertently cause user sessions to be shared or not properly invalidated. The recommendation D, to check the login form and related templates for caching directives that might be erroneously caching login actions or user-specific data, addresses this potential issue. Developers should ensure that pages handling user sessions and authentication are configured to disable caching, thus preventing session data from being mistakenly retained or shared across different users.

Correct : A

When facing build failures that are not reproducible in developers' environments, a common and effective first step is to clean up the build server workspace (Answer A). This action clears any residual files, settings, or data that might be influencing the build process and causing discrepancies between local and server builds. By resetting the workspace to a clean state, it helps ensure that the build process is starting from a consistent base, potentially resolving issues caused by stale data or corrupted build artifacts. This step often resolves hidden configuration or environment-specific issues that are not immediately apparent in the code or module versions.

Correct : A, D

For implementing CSRF (Cross-Site Request Forgery) protection correctly, especially in forms like promotion code submissions during checkout, best practices include:

Option A (Ensure the CSRF protection is validated on form submission): It is crucial to validate the CSRF token upon the form's submission to ensure that the request originates from a legitimate source and corresponds to the user's intended actions, enhancing security against CSRF attacks.

Option D (Only use POST methods over HTTPS): Using POST methods for transmitting form data helps mitigate the risk of CSRF attacks as opposed to GET methods which can be manipulated more easily via URL. Ensuring the communication is over HTTPS encrypts the transmission, securing the data from interception or tampering during transit.

These practices safeguard against common security vulnerabilities and ensure that the application adheres to secure coding standards.

Correct : B