The subnet mask 0.0.0.0 cannot exist in the routing table.
(multiple) When the UA5000 is configured with the H.248 protocol and the softswitch, which of the following parameters must be consistent?
(multiple) In the GPON network, which of the following reasons may cause the ONU to fail to go online?
(single) Is the following description correct? The MA5612 provides a serial port. It supports the external interface cable of CONSOLE and ETH in the normal running phase of the device. It is also used as the maintenance serial port and maintenance network port.