Anatolian Shepherds are also excellent for protection against large predators, although llamas are more interesting animals.
One of my neighbors who has a few fancy sheep has an Anatolian Shepherd that is a pet and sleeps indoors-since the sheep are behind an electric fence with a barn, I don’t suppose he has much guarding to do-he is friendly, but really scary looking and huge-I would not try to go onto their property uninvited...