EFT details can be found via google, so I'm not giving them out.
As for IOT, I'm pretty shocked that you need the exact details about exercises. I can understand you thinking that because you didn't know about them for the filter you'd want to know them next time, but if the Officer there has told you to get them, they're being pretty naive. I've done both exercises a couple of times and they're never the same. The basic principles are similar, but having a brief or breakdown for either would be pointless, as it'll change by the time you get there.
Basic terms, Mil Aid is a leadership and followership practise environment, using MACA (Military Air to Civil Authorities) as a vehicle. You are being taught, not assessed.
Decisive Edge mimics a DOB in theatre. It uses force protection as it's vehicle. You are being assessed.