Which type of device supports content caching?

Content caching is a feature supported on Mac computers running macOS 10.13 (High Sierra) or later, allowing them to cache software updates, apps, and iCloud content for other Apple devices on the network, reducing bandwidth usage. iPads (option A) and iPhones (option B) can benefit from cached content but don’t act as caching servers. Apple Watch (option D) lacks this capabilityentirely. TheApple Platform Deployment Guidespecifies macOS requirements for content caching.