题目内容

The 213.115.77.0 network was subnetted using a /28 subnet mask. How many usable subnets and host addresses per subnet were created as a result of this?()

A. 2 networks with 62 hosts
B. 6 networks with 30 hosts
C. 16 networks and 16 hosts
D. 62 networks and 2 hosts
E. 14 networks and 14 hosts
F. None of the above

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关键活动通常总时差为()

A. 0
B. 1
C. 2
D. 3

习近平要求用()兑现承诺。

A. 实践
B. 时间
C. 结果

一般情况下,运输能力在一定时期内会保持一个相对平衡,运输量则成一个跳跃性的变化。

A. 正确
B. 错误

人是有感情的动物,他会在与周围人交往中产生出一种情感感应、心绪反应,这就是()。

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