Which one of the following is not true about SONET? – McqOptions

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1.	Which one of the following is not true about SONET?
A.	frames of lower rate can be synchronously time-division multiplexed into a higher-rate frame
B.	multiplexing is synchronous tdm
C.	all clocks in the network are locked to a master clock
D.	sts-1 provides the data rate of 622.080mbps
Answer» E.

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