Which statement describes the use of powerline networking technology?

 Which statement describes the use of powerline networking technology?

• A home LAN is installed without the use of physical cabling.
• New "smart" electrical cabling is used to extend an existing home LAN.
• Wireless access points use powerline adapters to distribute data through the home LAN.
• A device connects to an existing home LAN using an adapter and an existing electrical outlet.