The developer has been given the following business requirement:
The shipping method, "Free Standard Ground Shipping" has an exclusion for products with 'category equals or is child of electronics-televisions.' The marketing department has scheduled a sale offering a "Free Standard Ground Shipping" method for brand XyzTv televisions for the next 3 months.
What method accomplishes this while following best practices'

A developer is asked to create a new service instance that will call a remote web service.
Which method should the developer use to create the service instance?
A)

B)

C)

An instance has custom logging enabled. The log reaches the file size limit.
What happens in this situation?

A developer is asked to create a controller endpoint that will be used in a client-side AJAX request. Its purposes is to display updated information to the user when the request is completed, without otherwise modifying the appearance of the current page.
According to SFRA practices, which method best supports this objective?

A client has a requirement to allow users on the Storefront to filter by a newly created attribute.
After creating the search refinement, what else is necessary to achieve this?