The Schnauzer's trainability is the strongest thing about it and the barking is the most common complaint, and the two are related.
At 5/5 this is a dog that learns quickly, retains what it learns and enjoys having a job. It does well in obedience, agility, tracking, scent work and protection sport, and it is one of the few breeds of this size that genuinely holds up in serious training disciplines. Its temperament keywords — intelligent, alert, spirited, reliable — describe a dog that wants to be involved.
The barking at 4/5 comes from the same package. A yard dog was supposed to announce things, and a Schnauzer notices everything: the corridor, the post, a car door, a dog two gardens away. Under-occupied, it announces more. The fix is a combination of a trained quiet cue, which works well at 5/5 trainability, blocked visual access to the street, and enough real work that the dog is not looking for something to comment on. It will never be a silent breed.
Exercise is 4/5 — around ninety minutes split across the day, with mental work counting toward it. That flexibility matters. A wet Tuesday can be handled with a shorter walk and twenty minutes of scent games, and the dog will settle.
The Malamute at 5/5 exercise and 3/5 trainability is the opposite arrangement. It needs two hours with physical resistance and derives nothing from puzzle work, and it evaluates instructions rather than following them. Off-lead recall is a goal most Malamute owners never fully achieve; a well-trained Schnauzer can be genuinely reliable, though its terrier-derived prey drive means squirrels and cats remain a live issue.
On solitude the Schnauzer's 3/5 against 2/5 reflects its independent farm background and is unusually good for a dog this attached to its people.