CDL test

CDL test have two components to pass. First the written test and second the driving test.  A person must have passed both the part in order to obtain a CDL. Persons who want a CDL should study the Commercial Driver License Manual very carefully which contains all the detailed information necessary to prepare for the CDL tests. 
CDL test is not an easy test. You have to labour hard for passing the CDL test. You can practice for CDL Test online anytime and anywhere, at your own convenience. Medical fitness is also very necessary for obtaining CDL.  After getting a CDL, you are allowed to drive truck and big commercial vehicles like school bus, Ambulances etc