cut with the grain in thin slices or strips and dried in the sun or over a slow fire. A smoking fire added flavor and was useful for keeping the flies off though if meat racks were high they tended to be clear of flies.
2.) It's wasteful. Unless you are trying to feed a large number of people, killing a deer-sized animal is a waste. You're not going to have a refrigerator or a freezer, so it will rot unless you use some other way to preserve the meat. If you're in that bad of a situation, you probably won't have the necessary supplies.