Comprehensive and Detailed In-Depth Explanation: Joining a Windows client to a domain requires Enterprise administrative permissions because only domain administrators or authorized users can add computers to an Active Directory (AD) domain. * A. Local access - Incorrect. A user does not need to be physically near the computer; the action can be performed remotely. * B. Internet connection - Incorrect. A domain join occurs over a local network, not the internet. * D. Computer MAC address - Incorrect. MAC addresses are used for network identification but are not required to join a domain. Steps to Join a Domain: * Open Settings > System > About > Domain or Workgroup Settings * Click Change settings > Change * Enter the domain name and provide admin credentials * Restart the computer Reference: CompTIA A+ 220-1102, Objective 1.6 - Windows Installation and Configuration