在一台Apache服务器上通过虚拟主机可以实现多个w曲站点。虚拟主机可以是基于( )的虚拟主机，也可以是基于名字的虚拟主机。
- A.IP
- B.TCP
- C.UDP
- D.HTTP
正确答案及解析
正确答案
解析
apache服务器可以实现基于IP和基于名字的虚拟主机。基于IP的虚拟主机方式需要在机器上设置IP别名，如在一台机器的网卡上绑定多个IP地址去服务多个虚拟主机。这种基于IP的虚拟主机有一个缺点，就是你需要更多的IP地址去服务各自的虚拟主机，若IP地址不够，则不可采用此方式。基于名字的虚拟主机只需要在apache的配置文件中，对NameVirtualHost域中DocumentRoot和ServerName分别设定其对应的虚拟主机的文档路径即可。
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