[单选题]当配置一个CISCO的路由器时,缺省的DR和BDR优先级是()。
正确答案 :B
1
[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]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]路由器上的命令“show version”的功能是()
正确答案 :A
显示版本信息
[多选题]对于IP为199.41.27.0,子网掩码为255.255.255.240,则该IP地址和子网掩码相作用会得到一系列IP,从下列选项中选出属于“有效IP”的选项:()
正确答案 :ABCD
199.141.27.33
199.141.27.112
199.141.27.119
199.141.27.126
解析:ABCD
[单选题]下面对Cisco2621路由器和Cisco2501路由器描述中,错误的是()
正确答案 :C
Cisco2501上提供一个100Mbit/s的快速以太网端口
[多选题]Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet? (Select all that apply)
正确答案 :CDE
92.11.178.93
134.178.18.56
192.168.16.87
解析:C,D,E 解析:Explanation:
[多选题]In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)
正确答案 :CD
Forwarding
Learning
解析:解析:Explanation:
[单选题]A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?
正确答案 :C
172.16.208.0
解析:解析:Explanation:
[单选题]How many usable IP addresses can you get from a conventional Class C address?
正确答案 :C
254
解析:解析:Explanation:
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