2024 WA CDL Practice Test: Class B - Test 7 Based on 2024 WA CDL Handbook 6. What is another name for front-end header board? A Dish rack. B Headache racks. C Head banger. D Protective board. Next More 6/29 Progress 0 Errors Restart Next Next Class B - Test 7 Back to Test List Class B - Test 6 HazMat - Test Challenge Library 12 More WA CDL Practice Tests 16 HazMat - Test 17 HazMat - Test 2 18 HazMat - Test 3 19 HazMat - Test 4 20 HazMat - Test 5 21 HazMat - Test 6 22 Passenger - Test 23 Passenger - Test 2 24 Double and Triples - Test 25 Double and Triples - Test 2