单项选择题 A technician at a company providing online, real-time media streaming to the Internet needs a network technology that will reduce bandwidth while delivering high throughput. Which of the following can the technician implement to fit these requirements?（）

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?（）