[naruhodo]

> "memorize my lines"?

Be humble. Be honest. Be authentic. Practice by imagining the situation, by all means, but be yourself. Exaggerating your ability or outright lying will require increased cognitive load. And the truth will out, eventually.

If you struggled, say so, and talk about how you overcame your difficulties. Pretty much every project I have ever worked on included some new technology that was unfamiliar. So I had to do various things to learn that new tech. The fact that I did not know some specific technology was not a downside; the fact that I was able to learn it, or more generally, the fact that I was able to overcome a problem was an upside.