Each category of NFPA 1021 is divided into what?

The correct answer is that each category of NFPA 1021 is divided into job performance requirements. NFPA 1021 is the National Fire Protection Association's standard for fire officer professional qualifications. It outlines the necessary skills and knowledge firefighters must possess to perform their duties effectively in various roles.

Job performance requirements are specific tasks and skills that an individual must be able to demonstrate to meet the necessary competencies within each level of fire officer. This structure ensures that training and evaluation processes are aligned with the expectations of the roles, covering areas such as leadership, safety, and operational procedures.

This framework allows for a standardized assessment of officers, ensuring that they possess the critical capabilities required to be effective in their positions. Other options, like interpersonal skills, lists of officer duties, and promotional schedules, may be important in the context of a fire department's operations or career development but are not the specific categorizations used within NFPA 1021.