Which multiplexing technique used to transmit digital signals?(a) FDM(b) TDM(c) WDM(d) FDM & WDMThis question was posed to me during an interview for a job.My question is taken from Multiplexing in section Security & Physical Layer of Computer Network

Which multiplexing technique used to transmit digital signals?(a) FDM(

1.	Which multiplexing technique used to transmit digital signals?(a) FDM(b) TDM(c) WDM(d) FDM & WDMThis question was posed to me during an interview for a job.My question is taken from Multiplexing in section Security & Physical Layer of Computer Network
Answer» Correct choice is (b) TDM The explanation: TDM ABBREVIATION for Time Division Multiplexing is a method used for digital signals. Whereas FDM and WDM abbreviation for Frequency Division Multiplexing, and Wavelength Division Multiplexing, are used for analog signals. TDM is used in applications like ISDN (Integrated Services Digital NETWORK) and PSTN (Public Switched Telephone Network).

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Which multiplexing technique used to transmit digital signals?(a) FDM(b) TDM(c) WDM(d) FDM & WDMThis question was posed to me during an interview for a job.My question is taken from Multiplexing in section Security & Physical Layer of Computer Network

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