单项选择题
You have been allocated a 192.168.100.0/22 network. How many usable host are available?（）
A. 510
B. 512
C. 1022
D. 1024
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相关考题
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单项选择题
What represents the decimal equivalence of 01101110?（）
A. 5
B. 96
C. 110
D. 118 -
单项选择题
Which network mask is the equivalent of 255.255.248.0?（）
A. /20
B. /21
C. /22
D. /23 -
多项选择题
Which two statements are true regarding an Ethernet collision domain?（）
A. If a switch is used, the collision domain is limited to each device and the switch
B. If a hub is used, the collision domain is limited to each device and the hub
C. If a hub is used, the collision domain includes all devices connected to the hub
D. If a switch is used, the collision domain includes all devices connected to the switch
