You need to specify what your circumstances are, and what you're trying to do.
If the vehicle requires a CDL in service, it'll require a CDL for the test drive.
The CDL test, which stands for Commercial Driver's License, is a test which allows one to drive large vehicles. If you are planning to work in a field involving driving large vehicles, you should take the CDL test.
No. IIRC, the only state that requires that is Illinois.
One can get practice CDL test questions on several websites. These websites include CDL's official website, which is the most trusted website to find CDL practice questions.
Yes there is a practice test for the CDL test online at www.freeassessmenttool.com/CDL. He may also want to check out the www.cdlstudy.com website first to elp him brush up on things before he takes the online test.
One can expect to find a free CDL practice test by going into the local licensing office and asking a representative to have a practice test to prepare for the CDL exam.
You need to check with the DMV on this one. CDL standards are federally established, and don't vary state-to-state, but states still have some determination. You're probably going to have to take at least the written portions of the test (General Knowledge, Air Brakes (if applicable) again, and you'll need to be a vehicle to do a pre-trip on and take a road test in before you can get it switched from a permit to a Class B CDL.
In order to find information on doing a CDL practice test you can contact your local DMV, which sells CDL pratice test. They also offer a free shorter practice test on the DMV website.
No.
All the answers to the questions on the written test are provided at no charge in the CDL handbook. All you have to do is study it.
Individual states have their own means of going about it. Typically, you would find out right there at the test facility.
No