CompTIA 220-802 Certification Practice Test

Answer: B - To restrict users from connecting to her network, Jane should enable MAC ID filtering. This ensures that only those users who have their MAC IDs stored on the Access Point can connect to the network.

Key Takeaway: The Media Access Control address is a unique identifier assigned to most network adapters or network interface cards by the manufacturer for identification. The identifier is used in the Media Access Control protocol sub-layer. A MAC address usually encodes the manufacturer’s registered identification number. Once the MAC ID list is provided to the access point, it is highly unlikely that any PC with a MAC address which is not in the list can be a part of the network.