2024 AK CDL Practice Test: Class C - Test 4 Based on 2024 AK CDL Handbook 25. Make sure the front area of enclosed trailers does not have _______. A All of the listed answers. B Holes. C Cracks. D Bulges. Next More 25/30 Progress 0 Errors Restart Next Next Class C - Test 4 Back to Test List Class C - Test 3 Class C - Test 5 Challenge Library 12 More AK CDL Practice Tests 1 Class A - Test 1 2 Class A - Test 2 3 Class A - Test 3 4 Class A - Test 4 5 Class A - Test 5 6 Class A - Test 6 44 Class C - Test 5 45 Bus - Test 46 Bus - Test 2 47 Bus - Test 3