题目详情

在浏览器地址栏输入一个正确的网址后,本地主机将首先在(  )查询该网址对应的IP地址。

  • A.本地DNS缓存
  • B.本机hosts文件
  • C.本地DNS服务器
  • D.根域名服务器

正确答案及解析

正确答案
B
解析

域名查询记录:先HOSTS表,再本地DNS缓存,然后再查找本地DNS服务器,再根域名服务器、顶级域名服务器、权限域名服务器。

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