简答题 先描述的就是源树。然后说源和receiver通讯，问process叫什么？

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

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NTP怎么度量距离可靠源的距离？ 点击查看答案