单选

●通过局域网连接到Internet，需要 (42) 。
(42)

A．Modem &n
bsp; B．网络适配器
C．电话
D．驱动程序

试题出自试卷《2011年网络管理员考试考前密卷（三）-上午试题》

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●通过局域网连接到Internet，需要 (42) 。(42)

●通过局域网连接到Internet，需要 (42) 。
(42)