Can you get a job without a 4-year degree? Yes.
Can you get a 4-year degree, online, from an accredited college while sitting reserve? Absolutely.
If you try to pass off a fake degree as the real thing and are discovered, will you be fired? Probably. You may find a lot of bridges burning around you, too.
Think of it this way: to command an aircraft, you need your ATP. One of the requirements of the ATP is to be "of good moral character." Whether or not you have your ATP, do you think an airline would consider someone who lied about their academic background to be of good moral character?