NCT Technology & Digital Tools 2

Question 1

Which communication protocol is most commonly used by modern telematics devices to transmit vehicle data to a fleet management platform?

Accepted Answer

Cellular (4G/LTE)

Answer

Modern telematics units use cellular networks (4G/LTE) to transmit vehicle data in real time to cloud-based fleet management platforms.

Question 2

A fleet technician uses a bi-directional scan tool. What capability does 'bi-directional' provide that a basic code reader does not?

Accepted Answer

Commanding vehicle actuators to test components

Answer

Bi-directional scan tools can send commands to the vehicle's modules to activate actuators (e.g., cycle fuel injectors, operate ABS motors) for component-level testing.

Question 3

In a fleet management system, what does the term 'geofencing' refer to?

Accepted Answer

Defining virtual geographic boundaries that trigger alerts when crossed

Answer

Geofencing creates virtual geographic perimeters in fleet software; when a vehicle enters or exits the zone, the system triggers a notification or alert.

Question 4

An Electronic Logging Device (ELD) is mandated primarily to record which data?

Accepted Answer

Driver hours of service (HOS)

Answer

ELDs are federally mandated to automatically record a driver's hours of service to ensure compliance with FMCSA regulations.

Question 5

Which OBD-II Mode provides access to live sensor data (also called Parameter IDs or PIDs)?

Accepted Answer

Mode $01

Answer

OBD-II Mode $01 (Mode 1) is the 'Show current data' mode that returns real-time sensor values using Parameter IDs (PIDs).

(NCT) NAFA Certified Technician Practice Test

(NCT) NAFA Certified Technician Practice Test

NCT Technology & Digital Tools 2