CompTIA Network+ N10-006 Q802

A network technician was in the process of configuring a network device. After restarting the device, it was unresponsive. Additionally, a hard reset did not restore the device to factory defaults, and it did not display any output. Which of the following was the technician MOST likely performing?

A. Driver update
B. Firmware update
C. OS update
D. Security update

Correct Answer: B