CompTIA A+ 220-902 Question B-25

A technician has been informed by the IT security manager that a vulnerability has been discovered in the wireless router. The vulnerability could allow an attacker to take remote control of the device. Which of the following should the technician perform to address the issue?

A. Power off the device
B. Install an add-on card
C. Update the WiFi antenna
D. Update firmware

Correct Answer: D