在局域网中仅某台主机上无法访问域名为www.ccc.com的网站（其他主机访问正常），在该主机上执行ping命令时有显示信息如下：
分析以上信息，该机不能正常访问的可能原因是（ ）。
- A.该主机的TCP/IP协议配置错误
- B.该主机设置的DNS服务器工作不正常
- C.该主机遭受ARP攻击导致网关地址错误
- D.该主机所在网络或网站所在网络中配置了ACL拦截规则
正确答案及解析
正确答案
D
解析
主机不可达的ICMP差错报告报文，可能是主机所在网络配置了ACL。
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