单项选择题
Each machine in the Internet is assigned a unique network address,called()that is used to identify the machine for communication purposes.
A.MAC address B.IP address C.host address D.domain name address
A.目前配置项处于第一次“正在修改”状态 B.目前配置项处于第一次“正式发布”状态 C.目前配置项处于“草稿”状态 D.目前配置项处于“不可变更”状态
A.用户 B.配置管理员 C.配置控制委员会 D.专家组