单项选择题 Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?（）

单项选择题 What will a router do during startup if a configuration file is not located in NVRAM?（）

单项选择题 A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）