You live with your 4 other friends. All have laptops but only one internet connection. Service provider has noted the physical address(MAC address) of your subscribed laptop. How your friends can use internet on their laptops? (Select best option)

MAC addresses are hardware addresses assigned to network interfaces. ISPs can bind their service to a specific MAC address. Users can change their computer's MAC address to match the subscribed one (MAC spoofing), allowing multiple devices to share the connection. This works because ISP authentication checks only the MAC address, not the physical hardware itself. Proxy servers and hubs require additional hardware/configuration, and a new connection would cost extra money.