What is Network, Network Camera and Network Surveillance?
In information technology, a network is a group of two or more computer systems linked together. The two common type of network including Local Area Network (LAN) and Wide Area Network (WAN). LAN is a group of computers geographically close together,that is, in the same building. While WAN exist when computers are farther apart and are connected by telephone lines or radio waves, example for WAN is Internet. Network camera is also called IP camera or Network CCTV. A network camera records images and sends the compressed versions over network. Network cameras used in surveillance usually offer a browser interface so the camera can be remotely accessed and viewed over the Internet. Network surveillance is that surveillance is performed over network. Network cameras are used for surveillance purpose and usually offer a browser interface so the camera can be remotely accessed and viewed over the Internet.
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