Infrastructure less wireless network, is a network of mobile nodes without having any central controller.

In the broadest sense, Network Infrastructure includes all the parts that connect one computer to another. In the more common use, Network Infrastructure is the structured cable portion, meaning the cable that connects the wall jack to the corresponding jack in the network room.

Sort of. Remote infrastructure monitoring would fall under network monitoring. Network monitoring in general focuses on the monitoring of your network infrastructure: things like switches, routers, etc. Remote just means your monitoring it from outside the network, and is a feature available in many solutions.

Carrier network infrastructure problems generally involve complications with the network system of telecommunications services used to transmit data over a distance.

Information infrastructure is a technical structure of an organizational form. It is an analytical perspective or a semantic network.