单项选择题

Information,in its most restricted technical sense,is a sequence of symbols that can be interpreted as a message.Information can be recorded as signs,or transmitted as（）

A.symbols
B.message
C.signals
D.wave

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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
单项选择题
根据配置版本号规则，某个配置项的版本号是1.0表明（）

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
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