Which of the following describes a Class B license?

A Class B commercial driver's license is specifically designed to permit the operation of single vehicles weighing 26,001 pounds or more. Additionally, it allows the driver to tow a vehicle that weighs no more than 10,000 pounds. This license is essential for drivers of large buses, box trucks, and other heavier vehicles that do not fall under combination vehicle guidelines.

The selection associated with a combination vehicle weighing at least 10,000 lbs refers more closely to a Class A license, which is intended for those who operate combination vehicles with a gross combination weight rating (GCWR) of 26,001 lbs or more, where the towed portion of the vehicle weighs at least 10,000 lbs.

Options that mention vehicles under 10,000 lbs or combinations of vehicles over 26,000 lbs do not accurately represent the licensing requirements and categories set by the FMCSA, as these pertain to different classifications entirely.