2FA requires an additional piece of information (like a one-time code sent via text message) to log in to your account.  Even if someone has your password, they can’t get in.
Le authentication a duo factores require un altere pecia de information (p.ex. un codice a uso unic inviate in un message de texto) pro acceder a tu conto. Mesmo si alcuno ha tu contrasigno, ille non potera acceder.