SONET stands for
The path layer of SONET is responsible for the movement of a signal
In SONET, STS-1 level of electrical signalling has the data rate of
The photonic layer of the SONET is similar to the _____ of OSI model.
In SONET, each synchronous transfer signal STS-n is composed of
Which one of the following is not true about SONET?
A linear SONET network can be
Automatic protection switching in linear network is defined at the
A unidirectional path switching ring is a network with
What is SDH?