What is the recommended procedure for upgrading a major TMOS release on a BIG-IP platform?

A: 1. Renew the device license. 2. Take a configuration backup. 3. Reboot the device to the non-active volume. 4. Upload the device code. 5. Install device code to the current volume. B: 1. Take a configuration backup. 2. Upload the device code. 3. Install device code to the non-active volume. 4. Reboot the device to the non-active volume. 5. Renew the device license. C: 1. Renew the device license. 2. Take a configuration backup. 3. Upload the device code. 4. Install device code to the non-active volume. 5. Reboot the device to the non-active volume. D: 1. Take a configuration backup. 2. Reboot the device to the non-active volume. 3. Renew the device license. 4. Upload the device code. 5. Install device code to the current volume.