Which of the following descriptions are correct?
In order to support the self-opening of the base station, the DHCP Relay function is deployed in the PTN LTE bearer network. Which of the following descriptions is wrong?
Which of the following descriptions about routing loops is wrong?
Which of the following conditions can cause the board to insert the BDI maintenance signal back to the upstream site?
Plan the base station IP address network segment 10.1.1.0/26 Which of the following addresses can be used by the base station?
Which of the following network element forms supports the functions of branch and line, cross multiplexing between lines and lines, and service adding and dropping functions?
During the normal operation of the network, the service channel protected by ODUK SNCP generates a condition for triggering protection switching, and the service has been automatically switched to the protection channel. When the fault
of the working channel is eliminated, the service cannot be automatically restored to the working channel.
The router works on the third layer (network layer) of the TCP/IP protocol stack. Which of the following is the main job it completes?
In the chain networking of Huawei NG-SDH equipment, if the SCC board of a single station is faulty, the site and the downstream site cannot log in.
The pump laser is the energy source of the EDFA, and its function is to provide energy for the amplification of the optical signal. Which of the following wavelengths can be used as the output wavelength of the
pump source in the EDFA structure?
