[单选题]The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?
正确答案 :A
1 network with 254 hosts
解析:解析:Explanation:Asubnetwith24bitsonwouldbe255.255.255.0.SincethisisaclassCnetwork,thissubnetcanhaveonly1networkand254usablehosts.
[单选题]路由器下,由一般用户模式进入特权用户模式的命令是:()
正确答案 :A
enable
[单选题]标准访问控制列表的数字标识范围是()。
正确答案 :B
1-99
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