While logged into the console， a system administrator would like to change the server’s primary IP address from X.X.X.X to Y.Y.Y.Y. What would be the best way to perform this task？（）

• A、Use smit chinet
• B、Use smit mktcpip
• C、Issue ifconfig -a Y.Y.Y.Y
• D、Edit the /etc/hosts file with the new IP information