单项选择题 A computer is able to ping other devices on the same network but is unable to ping devices onanother network. Which of the following needs to be configured?（）

单项选择题 Two autonomous networks who wish to exchange routing data should use which of the following protocols?（）

单项选择题 Two business partners have recently been connected via a dedicated extranet. It has been discovered that each of the companies are using the same private IP address space. Which of the following will help to resolve potential routing issues?（）