[多选题]When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)
正确答案 :AD
Half-duplex Ethernet operates in a shared collision domain.
Half-duplex Ethernet has lower effective throughput.
解析:解析:Explanation:
[单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP地址所在子网的子网号为()
正确答案 :B
192.168.80.64
[单选题]访问控制列表分为标准和扩展两种。下面关于ACL的描述中,错误的是()。
正确答案 :C
标准ACL可以根据分组中的IP目标地址进行过滤
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