MAN is quite a bigger version of LAN

MAN is quite a bigger version of LAN. It’s also called Metropolitan Area Network and uses similar technology as LAN. It’s designed to extend over the whole city. It often means connecting several LANs into a bigger network or is often one cable.

It’s mainly held and operated by a single private company or a public company.

• Features:Extremely efficient.
• Fast communication via high-speed carriers.
• It provides a single backbone for a large network and provides greater access to WAN.
• It encompasses several blocks of an entire city.
• Used dual bus transmission of data. 

Internetworks: Internetworks are the links to two or more networks. It means it connects two or more individual networks using various devices such as routers, bridges, and gateways. For example, the Internet. 

More info: What is Remote Hands?