Final answer:
To obtain a salesperson's license in Alabama, an individual needs to be at least 18 years old, not 21 as presented in the question, in addition to being a high school graduate or equivalent, completing a 60-hour real estate course, and passing a state licensing exam.
Step-by-step explanation:
To receive a salesperson's license in Alabama, an applicant must meet several criteria. The question lists a series of options to identify which of those criteria are necessary for licensure. Based on the reference information provided, the correct sequence of criteria for a salesperson's license in Alabama are that the applicant must be a high school graduate or have an equivalent qualification, complete a 60-hour real estate course, and pass a state licensing exam. The age requirement is at least 18 years old, not 21. Thus, the options provided in the question do not exactly match the correct criteria as outlined by the reference information provided.