A couple of good daily walks and interactive indoor playtime are sufficient. (petguide.com)
The Shar Tzu is not an overly active dog so will do well with just a couple of good daily walks throughout his neighborhood. (petguide.com)
Scottish Deerhounds are strong and have a lot of energy, so they need a good daily walk at the minimum, and a jog is even better if you can manage it. (dogs.lovetoknow.com)