Which of the following is correct (FDM means Frequency Division Multiplexing and TDM means Time Division Multiplexing)?

• A. FDM requires lower bandwidth but TDM has more noise immunity
• B. FDM has more noise immunity and requires lower bandwidth than TDM
• C. FDM requires channel synchronization while TDM has more noise immunity
• D. FDM requires more multiplexing while TDM requires band pass filter