HP Channel Services Network. Service Provider Programs. The HP Channel Services Network is a robust Web-based management system for HP and its worldwide authorized service partners.
All Candidates for the Class B CDL license must complete the following requirements: 1  You must pass a General Knowledge exam. 2  You must pass the Air Brakes test. 3  You must pass the Pre-trip inspection.
CDL Endorsements. After you have satisfied the requirements for a Class A, B, or C commercial driver's license, you may also need to pass additional written and road driving tests to operate special types of commercial motor vehicles. Below is a list of the federal endorsement codes you may need in addition to your CDL and what tests will be required by your state. H Endorsement: Required for vehicles containing hazardous materials. Requires a written knowledge test. N Endorsement: Permits you to operate tank vehicles. Requires an additional written knowledge test.