Final answer:
To have an occupational license for a pest control business issued, one needs to provide the Department with both a Pest Control business license and a Pest Control certificate, making the answer (d) a and b.
Step-by-step explanation:
To get an occupational license issued for a pest control business, you typically need to provide both a Pest Control business license and a Pest Control certificate. This means that the correct answer to what must be shown from the Department to get an occupational license issued is (d) a and b. Occupational licenses serve to confirm that a professional has obtained the requisite education or passed the necessary exams to perform their trade or profession reliably and safely. Such licenses are generally mandated by government agencies and are necessary for a wide range of professions including but not limited to doctors, lawyers, and accountants, as well as for jobs such as barbers, embalmers, dietitians, and pest control technicians.