CompTIA A+ Question J-57

A customer would like to upgrade their onboard fast Ethernet connection to connect to their new gigabit network at the gigabit speed. Which of the following will enable them to do so?

A. Convert the user to wireless.
B. Install a 10/100/1000 NIC.
C. Update the drivers for the onboard port.
D. Flash the BIOS to unlock the Ethernet port.