A.以太網(wǎng) B.廣域網(wǎng) C.虛擬網(wǎng) D.地球網(wǎng)
A.局域網(wǎng) B.廣域網(wǎng) C.城域網(wǎng) D.城生活網(wǎng)
A.Local Area Network B.Local Network C.Local A’network D.LocalInternet