[单选题]在路由器上,命令show access-list的功能是()
正确答案 :A
显示访问控制列表内容
[单选题]以下()LSA类型是ASBR来宣告外部路由信息的。()
正确答案 :E
类型5
[单选题]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?
正确答案 :C
255.255.254.0
解析:解析:Explanation:
[单选题]The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?
正确答案 :A
To prevent unauthorized hosts from getting access to the LAN
解析:解析:Explanation:
[单选题]地址转换NAT的优点是()
正确答案 :B
地址转换可以缓解地地址短缺的问题
[单选题]当在一个接口上使用ipaccess-group99in命令时,以下哪条关于所引用访问控制列表的描述是正确的()
正确答案 :C
这个列表是编号型标准ACL,检查进入接口的数据包
[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]对交换机的描述,正确的是()
正确答案 :B
单广播域,多冲突域的设备
[单选题]哪个ACL可允许主机10.220.158.10访问web服务器192.168.3.244()
正确答案 :D
access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 eq 80
[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?
正确答案 :D
when every operating switch port is in either the blocking or forwarding state
解析:解析:Explanation:
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