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()。
题目答案
C
您的答案
答案解析
暂无解析
举一反三
Split horizon has been enabled within the Ezonexam routed network. Which one of the following statements best explains the split horizon rule?
题目答案
D
您的答案
答案解析
Explanation:The split horizon rule states:* Never advertise a route out of the interface through which you learned it.For instance, in Figure 4a below, if Router One is connected to Routers Two and Three through a single multipoint interface (such as
下列对访问控制列表的描述不正确的是（）。
题目答案
D
您的答案
答案解析
暂无解析
用命令成功建立一个用户后，他的信息会记录在哪个文件中（ ）。
题目答案
A
您的答案
答案解析
暂无解析
You are logged into a router and wish to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?
题目答案
C
您的答案
答案解析
解析：EXPLANATION:TO DISPLAY DETAILED INFORMATION ABOUT NEIGHBORING DEVICES DISCOVERED USING CISCO DISCOVERY PROTOCOL (CDP), USE THE SHOW CDP NEIGHBORS PRIVILEGED EXEC COMMAND.DETAIL - (OPTIONAL) DISPLAYS DETAILED INFORMATION ABOUT A NEIGHBOR (OR NEIGHBOR
对交换机的描述，正确的是（）
题目答案
B
您的答案
答案解析
暂无解析
IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP和掩码结合，共划分了多少个子网（不包括全0子网和全1子网）（）
题目答案
B
您的答案
答案解析
暂无解析
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：（）
题目答案
D
您的答案
答案解析
暂无解析
While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."
At which OSI layer is this problem associated with?
题目答案
E
您的答案
答案解析
Explanation:TCP/IP includes ICMP, a protocol designed to help manage and control the operation of a TCP/IP network. The ICMP protocol provides a wide variety of information about a network's health and operational status. Control message is the most
对路由器的描述，正确的是（）
题目答案
C
您的答案
答案解析
暂无解析
下列关于路由器和交换机的描述中，错误的是（）
题目答案
D
您的答案
答案解析
暂无解析