E0A05:What hazard is created by operating at microwave frequencies?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E0A05 is The high gain antennas commonly used can result in high exposure levels.

The key fact is The high gain antennas commonly used can result in high exposure levels. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.