What is the difference between LAN and the Internet?
Local network (LAN) is a private network that connects computers in one place, such as a private residence or an office building. The establishment of LAN allows you to share files, software and devices such as printers and fax machines, among users in LAN. On the other hand, the Internet is a global, public, wide network (WAN) that combines millions of smaller networks with more than billions of computers connected at the moment. The most basic difference between LAN and the Internet is that LAN is private and located, while the Internet is public and worldwide. The router acts as a Go-Between and directs the data traffic to the LAN. Computers can be connected to the router using the Ethernet cable or the router can communicate wirelessly using radio waves.
Internet connects millions of networks via T1 telephone lines, optical fibers and other technologies. The company between LAN and the Internet is that both use routers to routine traffic. Internet routers direct operation via the Internet and SMěrovač LAN řídí provoz na LAN.
Přístup k internetu je možnost, kterou lze v případě potřeby začlenit do LAN. Centrální modem je buď připojen nebo integrován do routeru a poskytuje bránu mezi LAN a internetem. The gate is usually present with the firewall gate to act as a one -way valve that maintains unwanted public traffic in access to LAN. Firewall umožňuje tok dat pouze a to bylo konkrétně požadováno z počítačů na LAN.
poněkud paradoxně, existují situace, kdy je LAN nastavena pro jediný účel poskytování přístupu k internetu. This is useful for households that have two or more computers, but only want to share an Internet account and nothing bruise. It is easy to understand how the use of ropes for this purpose could lead to the wrong assumption that LAN and the Internet are the same.
municipalities that provide wireless public public access to the Internet, so they do via LAn, technically known as a network of municipal area (MAN). NetW these larger networks are variations on LAN, albeit still located.
The exposure of ropes on the Internet creates security risks. Hackers could find a way around Firewall and users in LAN could unknowingly download files that contain viruses, Trojan horses, spybots, keyloggers or other malicious programs. Once one computer is infected on the LAN, the infection can travel quickly throughout the LAN. Internet access can also serve as a distraction of employees who do not require it.
Because LAN is so often used as a gateway to the Internet and it is easy to think of LAN and the Internet as a synonym. However, LAN does not require Internet access and its only purpose can easily be file transfer between computers that are close to each other, or share printers, fax machines or other hardware.