Question id 201 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Two-way radio communications equipment and a 4096-code transponder.
Two-way radio communications equipment, a 4096-code transponder, an encoding altimeter, and a VOR or TACAN receiver
Two-way radio communications equipment, a 4096-code transponder, an encoding altimeter, and ADS-B Out.

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane