T4B02:Which of the following can be used to enter a transceiver’s operating frequency?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T4B02 is The keypad or VFO knob.
The key fact is The keypad or VFO knob. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.