相关考题
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单项选择题
Refer to the exhibit. This exhibit shows the NAT configuration for Router A and the output for a ping issued from device 171.68.200.48 and destined to 172.16.47.142. Based on this information， what change must be made to Router A in order for the ping to work？（）
A.reload the router
B.clear the route cache
C.add a static route
D.configure IP as classless
E.load a newer IOS image -
问答题
NTP怎么度量距离可靠源的距离？ -
问答题
什么协议可以使用虚拟IP和虚拟MAC，在错误发生的时候，避免连接的丢失。
