DQ is the normal things like mismatched toenail, broken toe, broken tail, improper eye color, etc. Also for tans a dewlap is a DQ for the females.
As far as faults umm i wish i had brought my standards book with me. My mom is going to help me out but here you go
General type: chopped in the hindquarters, lack of arch, too long, too short, short legs, heavy bone, snipey head
Color: scattered white hairs, misplaced tan hairs, brownish hair color
Tan Factor: lack of concentration due to mixture of body color near neck or chest, lack of depth of tan factor, lack of luster
Markings: triangles too small or not distinct, brindling of the triangle, not fully completed eye circles, demarcation line too high or too low, tan color not showing on side, brindling on the nose or muzzle, stray tan tipped guard hares over the back, excessive brindling on the front feet and legs, ragged demarcation line, ears with light colored tips or white hairs in the tan, lack of pea spots, outside ear not being well furred