Guess the Breed #7

Today's Guess the Breed is a purebred dog. I have a few other pics that are mixed breeds. I thought I should give some a challenge that is a bit more black and white.Is this one more difficult than the Briard? I hope so ... As always, remember the golden rules to playing this game ... 1. No bashing other peoples' opinions. (Friendly banter only.)
2. Post your opinion!
3. Have fun! Tomorrow I