In a DNS environment， the zone file that maps hostnames to IP address （sometimes called the named.hosts file）， is created on which of the following servers？（）
- A、Cache
- B、Primary
- C、Secondary
- D、Primary and secondary
正确答案:B
答案解析:有
微信扫一扫手机做题
多做题，通过考试没问题！
IBM认证考试