What is telecommunication?
The act of transferring data and information at a far distance for communication is called telecommunication.
A WAN is composed of LANs and MANs. Justify.
We all know that, WAN is the networks that spreads over the global world. There are many small computer networks in the world. LAN is the smallest and unit computer network. MAN spreads over metropolitial area and connects multiple LANs. And finally, many MANs in the world are connected to each other and WAN is formed. So, a WAN is composed of LANS and MANs.