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域名服务DNS的主要功能为_____。

单选题
2021-09-01 16:40
A、通过请求及回答获取主机和网络相关信息
B、查询主机的MAC地址
C、为主机自动命名
D、合理分配IP地址
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正确答案
A

试题解析

标签: 统考 计算机
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