E2E02:Which of the following synchronizes WSJT-X digital mode transmit/receive timing?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E2E02 is Synchronization of computer clocks.
The key fact is Synchronization of computer clocks. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.