Which of the following items must be assessed during a brake inspection?

During a brake inspection, it is essential to assess components that directly impact the braking system's performance and safety. This includes the brake pads, which provide the necessary friction to slow down or stop the vehicle; the rotors, which the pads clamp down on to create the stopping force; and the brake lines, through which brake fluid travels to create hydraulic pressure. Additionally, evaluating the fluid levels is crucial, as low brake fluid can indicate leaks or other issues that may compromise braking efficiency.

The other choices focus on different vehicle systems that do not pertain to braking. Wiper blades and headlights are related to visibility and safety during driving but do not affect braking performance. The battery, alternator, and electrical wiring are part of the vehicle's electrical system, crucial for starting the vehicle and powering accessories, but they do not play a role in braking. Similarly, the exhaust pipe and catalytic converter are components of the vehicle's exhaust system, dealing with emissions and noise rather than braking functionality. Therefore, the listed components under the first choice are the only ones relevant to a thorough brake inspection.