What does AWS Direct Connect provide?

A dedicated network connection from an on$-$premises network to AWS that uses $802\mathrm{.}1q$

A private telecommunications circuit from an on$-$premises network direct into AWS that uses Point$-$to$-$Point Protocol $($PPP$)$

An encrypted tunnel that connects an on$-$premises network to AWS over the internet

An extension of the AWS Cloud into customer data centers that uses AWS hardware installed on premises