E1B01 - Amateur Extra Class

E1B01 : Which of the following constitutes a spurious emission?
A An amateur station transmission made without the proper call sign identification
B A signal transmitted to prevent its detection by any station other than the intended recipient
C Any transmitted signal that unintentionally interferes with another licensed radio station and whose levels exceed 40 dB below the fundamental power level
D An emission outside the signals necessary bandwidth that can be reduced or eliminated without affecting the information transmitted
Correct Answer: An emission outside the signals necessary bandwidth that can be reduced or eliminated without affecting the information transmitted