问题 问答题

请根据图所示网络结构图回答下列问题。

若要探测从Windows主机10.16.64.215到主机10.16.66.195数据包的传输路径,请写出应使用的命令名称,并依次写出数据包经过的路由器名称。

答案

参考答案:

命令为:tracert;经过的路由器为RA和RB

解析:

一般来说,路由器广泛使用开放式最短路径优先协议OSPF,从图中可知,从10.16.64.215的网络10.16.64.0/24到目的网络10.16.66.195所在的网络10.16.66.0/24,最短路径只需要经过路由器RA和RB

单项选择题
单项选择题

One day, a poor boy who was selling goods from door to door to pay his way through school found he had only one thin dime left, and he was hungry. He decided he would ask for a meal at the next house. However, he lost his nerve when a lovely young woman opened the door. Instead of a meal he asked for a drink of water. She thought he looked hungry so she brought him a large glass of milk. He drank it slowly, and then asked, "How much do I owe you" "You don’t owe me anything," she replied. He said, "Then I thank you from my heart. ’
Years later that young woman became critically iii. The local doctors sent her to the big city, where they called in specialists to study her rare disease. Dr. Howard Kelly was called in for the consultation. When he heard the name of the town she came from, he rose immediately and ’went to her room. Dressed in his doctor’s gown he went in to see her. He recognized her at once. He went back to the consultation room determined to do his best to save her life. From that day he gave special attention to the case. After a long struggle, the battle was won.
Dr. Kelly requested the business office to pass the final bill to him for approval. He looked at it and then wrote something on the edge. The bill was sent to her room. She feared to open it, for she was sure it would take the rest of her life to pay for it all. Finally she looked, and something caught her attention on the side of the bill. She read these words: "Paid in full with one glass of milk.\

When the boy and the young woman met again years later______.

A.they had both changed beyond recognition

B.neither remembered their previous meeting

C.the boy had become a medical specialist

D.the woman had come to stay in the big city