What are the steps required to perform a Preservation install on a server？（）

• A、Shutdown the server and boot it into SMS.Select SMS menu option OS Upgrade，Preservation install for the install type，and allow upgrade to run
• B、Shut down the server and perform a network boot from a local NIM server.Select Presevation install for the install type，and allow upgrade to run
• C、Shutdown the server and boot it into SMS.Select SMS menu option OS Upgrade，Presevation install for the install type，and allow for upgrade to run
• D、Re-boot the server and NFS mount the bos images from a local NIM server.Run smit install.Select Presevation install for the install type，and allow upgrade to run