[CentOS] CentOS 7 Update from DVD

Thu Dec 1 21:47:55 UTC 2016
Jerry Geis <jerry.geis at gmail.com>

I am trying to find how to update CentOS 7 using the DVD.

In the past, C6, just insert the DVD, select "install or update" from the
boot menu, continue, and later select update and continue... done... reboot.

I dont see that on the C7 boot disk.

How is that accomplished?