【单选题】听力原文:W:I should tell them they shouldn't waste money on such meaningless matter. M:They never listen to anyone, and whatever I say to them goes in one ear and out the other, so save your breath. Q:Wha...
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【简答题】IPv4地址由( )位二进数组成,8位一组共4组,通常采用( )表示。 IPv6由( )位二进制数组成,16位一组共8组,通常采用冒号分十六进制数表示。
【判断题】目前使用的IPv4地址由32位二进制数组成。
【简答题】阅读理解。 Here is some advice to help you develop confidence(信心) and make friends at school: ●Take a deep breath. You shouldn't be so nervous. Remember that in your new school you will find kids at your a...
【简答题】IPv4 地址由 位二进制数组成,分成 段, 每段用____________隔开。它在___________层使用。