What is the difference between barrage (broadband) jamming and spot (narrowband) jamming?

• A. Barrage jamming floods a wide portion of the spectrum with noise; spot jamming concentrates energy on a specific frequency to disrupt a single link.
• B. Barrage jamming targets specific messages; spot jamming causes random interference.
• C. Barrage jamming is legal; spot jamming is illegal.
• D. Barrage jamming improves signal quality; spot jamming reduces it.

Answer: (A)