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提供Internet接入服务的公司或机构称为Internet服务提供商,简称ISP。下列哪项不是ISP所必须具备的条件

单选题
2021-09-01 17:04
A、有专线与Internet相连
B、有运行各种Internet服务程序的主机,可以随时提供各种服务
C、有IP地址资源,可以给申请接入的计算机用户分配IP地址
D、有大量的网卡
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正确答案
D

试题解析

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