E1F05:Amateur stations may not transmit in which of the following frequency segments if they are located in the contiguous 48 states and north of Line A?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E1F05 is 420 MHz - 430 MHz.
The key fact is 420 MHz - 430 MHz. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.