The U2000 license file is stored in the following directory /u2000/server path. If the license file is invalid, the U2000 will not work normally.
The characteristic of the open DWDM system is that there are no special requirements for the optical interface of the multiplexing terminal, and only these interfaces are required to comply with the optical interface standard
recommended by ITU-T. The DWDM system adopts wavelength conversion technology to convert the optical signal of the multiplexed terminal into a specific wavelength, and the optical signal of different terminal equipment is converted into
different wavelengths that comply with ITU-T recommendations, and then multiplexed.
The international professional organization responsible for allocating P addresses has divided several network segments as private network segments, which can be freely allocated and used by people on the private network. What are the
following network segments belonging to private addresses?
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?
Which of the following services can be handled by the MP1 processing board?
Which one is wrong in the description of hardware redundancy backup of PTN7900-32?
Which of the following combinations of dynamic optical add/drop multiplexing boards does not hold?
Which of the following items are the main functions of the U2000 network management?
When TCAT adds points, it recalculates the Tunnel and distributes the configuration. Which of the following information is being modified?
Which of the following protections are protected by electrical layer double transmission and selective reception?