A Class 1 practice test is a mock test that you can use to prepare for a real Class 1 license test. It is useful for study purposes. Class 1 practice tests are often available online from legitimate training sites for drivers.
A Class 1 license gives you the ability to legally operate semi-trailer trucks and all other motor vehicles or combinations of vehicles, with the exception of motorcycles. The Class 1 license includes all of the vehicles that are under the Class 2, Class 3, Class 4 and Class 5 classifications. The ability to operate a large range of vehicles can give you access to many new employment opportunities, including truck and bus driving.