A customer is trying to remotely upgrade their system BIOS firmware on their xSeries server through their RSA adapter.  What feature would best fit the requirement？（）

• A、Use the remote update feature of the RSA
• B、Use the remote diskette/CD feature on the RSA
• C、Insert the diskette in the server， flash the BIOS， and reboot the server.
• D、Use the remote POST function of the RSA to flash the BIOS