You know how when you go to System Preferences->Startup Disk, and select Network, you see a list of network boot servers available to house from? Well, how can I get the same list along with the actual server address and TFTP filename, so I can use tftp to download it?
By asking the question you're showing that you're in over your head already.
If you were going to do this you would send a
It's not a bootable disk image that you can just put on a flash drive or optical disk.