Practice question

A 2070-ATC must report the time of day to the controller application. Which clock source is most commonly used for synchronization in a coordinated system today?

  1. GPS-disciplined time receiver or NTP
  2. AM/FM radio time signal
  3. Local oscillator only with no external sync
  4. Mechanical wind-up clock

Answer: A — GPS-disciplined time receiver or NTP

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: IMSA Bench Tech II Practice Questions - IMSA Traffic Signal Bench Technician Level II Certification Exam →