单项选择题 Which of the following Frame-Relay encapsulation commands would you use, if you had to connect your Cisco router to a non-Cisco router?（）

单项选择题 A new frame-relay network is being implemented and inverse ARP does not appear to be operating correctly. Which alternative command can be used to provide connectivity?（）

单项选择题 When configuring Frame Relay using point-to-point subinterfaces, which of the following must not be configured?（）