[CentOS] What is the minimum ISO to build a server?

Can I use the -
CentOS-5.2-i386-netinstall.iso<http://mirror.its.uidaho.edu/pub/centos/5.2/isos/i386/CentOS-5.2-i386-netinstall.iso>
or CentOS-5.2-i386-LiveCD.iso<http://mirror.its.uidaho.edu/pub/centos/5.2/isos/i386/CentOS-5.2-i386-LiveCD.iso>
?
Or all of the ISO's?

Thanks in advance

Chuck
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