Is answer engine optimization different from SEO?

SEO earns a listing in a results page. Answer engine optimization earns a sentence inside the answer. A page can do both, but the opening paragraph has to be quotable.

Does FAQ markup guarantee a citation?

No. Markup makes the answer easy to read. The assistant still has to trust the page and be allowed to crawl it.

What is answer engine optimization?

Answer engine optimization is structuring a page so an assistant can quote it. The title is the question, the first paragraph is the answer, and the same words are repeated in the page's FAQ markup. The goal is a citation, not a keyword pile.