Companycom needs to run a 32 bit kernel under AIX 5.3. What steps need to be done to accomplish this with the least disruption since the system is already installed with a 64 bit kernel?（）
A. Reload the operating system and select 32 bit kernel on initial install.
B. Repoint the symbolic link of /unix to unix_mp. Perform a bosboot and reboot the partition.
C. Use the SMIT menu to select 32 bit versus the 64 bit kernel. Select 32 bits and reboot the partition.
D. Go into SMIT and select 32 bit kernel. Run the /usr/sbin/bootinfo -K command， and ensure that the kernel has been changed.
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