netstat使用（）参数，可以显示当前主机的路由表信息。
netstat哪个参数可以显示所有与主机建立连接的端口信息（）
The system administrator notices that after running netstat -rn， several small c’s are showing up under the flags columns， and routes that were not defined are also showing up. How can these cloned routes be stopped？（）
To examine the Exhibit, press the Exhibit button. The exhibit shows the output of netstat -nr. Which of the following addresses will require an additional route entry? （）https://assets.asklib.com/images/image2/2018080211523042275.jpg
