You are the Security Administrator for MegaCorp. A Check Point firewall is installed and in use on a SecurePlatform. You have trouble configuring the speed and duplex settings of your Ethernet interfaces. Which of the following commands can be used to configure the speed and duplex settings of an Ethernet interface and will survive a reboot? Give the BEST answer.

A.
cthtool

B.
ifconfig � a

C.
eth_set

D.
mii_tool