## Discussion Forum

Que. | Given the following statements:
(a) Frequency Division Multiplexing is a technique that can be applied when the bandwidth of a link is greater than combined bandwidth of signals to be transmitted. (b) Wavelength Division Multiplexing (WDM) is an analog multiplexing Technique to combine optical signals. (c) WDM is a Digital Multiplexing Technique. (d) TDM is a Digital Multiplexing Technique. Which of the following is correct? |

a. | (a), (b), (c) and (d) are true |

b. | (a), (b), (c) and (d) are false |

c. | (a), (b) and (d) are false; (c) is true |

d. | (a), (b) and (d) are true; (c) is false |

Answer:(a), (b) and (d) are true; (c) is false |