NE1 and NE2 are the intersection nodes of the SNCP ring and the SNCP ring. How many SNCP protection groups and how many unidirectional cross-connects should be configured on NE1.
Which of the following is correct?
STM-N signal transmission on the line needs to be scrambled, mainly to facilitate collection and extraction of line timing signals. Will all bytes in the SDH frame structure be
scrambled?
The EDFA erbium-doped fiber amplifier is a key component of the new generation of optical fiber systems. Which of the following options are correct for the description of its advantages?
When the device reports the PW_APS_DEGRADED alarm, what is the problem with the LTE service carried by the station?
In the PTN LTE solution, what operations will the L2/L3 node perform on the service data sent from the base station to the EPC?
If the E1 interface board D75S is not plugged into the OSN 3500 hardware, which indicator light on the PQ1 will light up red?
In the MPLS-TPOAM architecture of PTN equipment, what are the functions of network performance maintenance?
In OptiX OSN8800, which of the following boards provides clock time input and output interfaces?
TESTED 27 Apr 2025
