AK is in the top 2-3% of starting hands in No Limit Hold'em. Even without knowing it, you can intuitively say that this starter must be very strong, given that it consists of the two highest cards in the deck.
You should always make a raise with that hand on the preflop when other players are trailing before you, regardless of your position. Limps should be avoided at all costs.
AK play perfectly through 3-bet on the velu against any position.
When faced with a raise, you'll want to 3-bet with that hand every time without any exceptions. Ak is just very strong against any reasonable 3-beta call range. Using a passive cold call line will mean winning a smaller pot on average in the long run.
Against 3-beta
When faced with a 3-bet, you should almost always 4-bet on a velu with AK. However, there are a few exceptions