If a driver cannot meet the hearing standard but is otherwise qualified, what can they apply for?

The correct choice is a Federal hearing exemption. This option is specifically designed for drivers who do not meet the standard hearing requirements set by the Department of Transportation (DOT) but still possess the necessary qualifications to operate a commercial vehicle safely.

When it comes to hearing standards, the DOT requires that drivers can perceive a "forced whispered voice" at 5 feet in a quiet environment. If a driver fails to meet this requirement, they have the option to seek a Federal hearing exemption. This exemption allows drivers to continue operating commercial vehicles under certain conditions, ensuring that safety is still maintained while accommodating various medical conditions.

In contrast, other choices do not align with the protocols established by DOT for those who cannot meet hearing standards. A medical waiver typically refers to temporary exemptions for various medical conditions but does not specifically pertain to hearing. A temporary license or an occupational license may assist in different scenarios but do not address the specific regulations surrounding hearing exemptions for commercial driving. Hence, the Federal hearing exemption is the most appropriate and relevant option for drivers facing hearing limitations while still being eligible to drive.