PSTN is an extremely large network that is converging to use internet – McqOptions

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1.	PSTN is an extremely large network that is converging to use internet technologies. Here PSTN stands for?
A.	Private Switched Telecom Network
B.	Public Switched Telecom Network
C.	Public Switched Telephone Network
D.	None of these
E.	All of these
Answer» D. None of these

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