Which of the following is a type of General Instructor certification?

General Instructor certification encompasses a variety of instructor types that qualify individuals to teach within specific domains. In the context of law enforcement training, both Specialized Instructor and High Liability Instructor categories fall under the broader General Instructor certification.

The Specialized Instructor certification allows an instructor to teach specific subjects that require in-depth knowledge and expertise, catering to particular areas of law enforcement or public safety. Meanwhile, the High Liability Instructor certification focuses on teaching high-risk subjects that carry significant weight in terms of safety and legal accountability, such as firearms training or defensive tactics.

Both of these certifications contribute to the overall competency and capability of an instructor, ensuring that they can provide quality education in their respective areas. Therefore, recognizing that both Specialized and High Liability instructors are types of General Instructor certifications leads to the understanding that "All of the above" is the most comprehensive answer.