A LAN is a system of computers and associated peripherals such as Printers that are physically connected by cable within a limited geographical area-typically in an office building or on a college campus. 局域網(wǎng)就是在一個(gè)有限的地域范圍內(nèi)，典型的如在辦公大樓或校園中，將計(jì)算機(jī)及相關(guān)外設(shè)(如打印機(jī))用電纜進(jìn)行物理連結(jié)而組成的一個(gè)系統(tǒng)。