you need to "log" your qualifications which'd mean a net connection...
dunt take that long though
[] basic quals - half hour maybe
-----[at which point you can play on servers]
[] spec forces - bout an hour probably
[] medic - half an hour listening to lectures - few minutes doing the tests, five minutes on the practical
[] getting that 36/37+ marksman score, to release sniper... 25 cups of coffee, 57 cups of tea.