For integrating a LINK cartridge that is certified for pipelines and controllers into a system using the Storefront Reference Architecture (SFRA), which primarily uses scripts instead of the older pipeline technology, the architect should update the job pipelines to work as custom job steps. This approach allows the existing LINK cartridge functionalities to be maintained while making them compatible with the SFRA framework. Custom job steps enable more flexibility and the ability to leverage the full capabilities of SFRA, ensuring that the jobs run correctly within the newer architecture.

For migrating historical orders from a custom eCommerce platform to B2C Commerce:
Option D: Involves receiving the exported order file, processing it into the B2C Commerce schema to ensure compatibility, and then coordinating with B2C Commerce Support for importing these orders into the live environment. This process ensures that the orders are correctly formatted and integrated, maintaining data integrity and continuity of business analytics and records.
This approach is essential for a successful migration that maintains the operational and historical integrity of order data within the new platform.

To resolve the issue of incorrect page versions being served across different devices, changing the URL structure to include device-specific parameters can be highly effective. By adding parameters such as 'desktop' or 'mobile' to the URLs:
The caching mechanism can differentiate between the content for different device types, thus caching and serving the correct version of the page according to the device type specified in the URL.
This method allows for maintaining existing caching strategies linked to promotions and ensures that SEO is not adversely affected since the content remains the same per device type but is merely served through different URLs.
This approach addresses the core issue without requiring disabling of caching or reengineering existing promotional structures, hence preserving site performance and user experience.

In a production environment, logging sensitive customer information such as credit card details (PAN, CVV, expiration date) can lead to severe security and compliance issues, specifically violating PCI DSS (Payment Card Industry Data Security Standard) requirements. The standards strictly prohibit the storage of CVV codes and mandate that any PAN displayed must be masked. Storing such data in logs is not only a risk for data breaches but also non-compliance with these standards can lead to penalties.
Option A: Including the customer's card name along with the full credit card number in logs is a clear violation of PCI DSS requirements, which stipulate that no more than the last four digits of the card number may be displayed.
Option B: Logging the card security code (CVV) and expiration date is explicitly prohibited by PCI DSS, which requires that sensitive authentication data, including CVV, must never be stored post-authentication, even if it is encrypted.

Considering the existing metrics and forecasted 300% growth, the appropriate load testing targets for the new B2C Commerce site would be:
15000 visits per hour: This figure is calculated by applying the expected growth to the peak visits per hour (1000 visits), resulting in 4000 visits. The choice of 15000 provides a higher buffer to accommodate unforeseen spikes in traffic.
300000 page views per hour: Similarly, this is scaled up from the peak page views per hour (20000) considering the growth, ensuring the site can handle high demand and interactions.
3750 orders per hour: This target is based on the peak orders per hour (250) with the growth applied, allowing testing of the system's ability to handle transactions under significant load.
These targets ensure that the system is robust enough to handle increased traffic and transactions without performance degradation, crucial for maintaining customer satisfaction and operational stability.