[单选题]“InsideGlobal”地址在NAT配置里表示的是什么()
正确答案 :B
一个注册的地址是表示一个内部的主机到外部网络
[单选题]在OSPF的完全存根区域中,使用以下哪种LSAType报文或其它方式与区域间通信:()
正确答案 :D
默认路由:0.0.0.0
[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]扩展ACL和标准ACL的区别()。
正确答案 :B
扩展的ACL核查数据包的源地址和目标地址和端口号
[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
[单选题]Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?
正确答案 :A
100 meters
解析:解析:Explanation:
[单选题]At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?
正确答案 :D
Data link
解析:解析:Explanation:
[多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)
正确答案 :AB
The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
The DHCP Discover message uses UDP as the transport layer protocol.
解析:A,B 解析:Explanation:
[单选题]路由器下“特权用户模式”的标识符是:()
正确答案 :C
[单选题]The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?
正确答案 :D
It is used to validate the sources of VTP advertisements sent between switches
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