Cache partitions are managed as part of the storefront site ' s cache configuration rather than through ordinary merchant Site Preferences. The appropriate administrative path is therefore the site ' s configuration underAdministration > Sites > Manage Sites, followed by the relevant site ' sCacheconfiguration.
Salesforce ' s Business Manager site-administration documentation identifiesManage Sitesas the area used to administer storefront-site configuration and exposes site-specific configuration after an administrator selects the applicable site.
A cache partition allows related cached content to be grouped so that invalidation can target a more restricted scope instead of unnecessarily clearing the entire page cache. For a frequently edited home page, isolating its cached content can reduce the performance impact of merchant changes because unrelated cached storefront pages do not need to be invalidated at the same time.
Option B uses an incorrect administrative hierarchy, while option C incorrectly treats cache partition configuration as a normal site preference.
The developer must still ensure that the application uses the intended partition consistently in its cache behavior; creating the partition alone does not automatically reassign every cacheable response.
Study Guide reference:B2C Commerce Setup - site cache administration, cache partitions, targeted invalidation, and Business Manager site configuration.