What is SDH?
(a) sdh is similar standard to SONET developed by ITU-T
(b) synchronous digital hierarchy
(c) sdh stands for synchronous digital hierarchy and is a similar standard to SONET developed by ITU-T
(d) none of the mentioned
I got this question in a job interview.
Asked question is from SONET topic in chapter Wireless LAN’s, Electronic Mail and File Transfer of Computer Network