100mw is roughly equal to how many dBm?
Which of the following levels does MPLS-TP OAM detect?
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?
What are the values of each wavelength in the composite signal that the spectrum analyzer is mainly used for?
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?
In the path hierarchy of the WDM network, which paths belong to the optical layer?
Which networking type is the main networking type in the metro WDM network?
