Which of the following choice is true?

Question options:

A$)$

Non$-$persistent HTTP with parallel capability reduce web application response time by reducing the number of TCP connections needed compared with the Non$-$persistent HTTP without parallel capability

B$)$

HTTP$,$ SMTP and DNS protocols all choose TCP as their transport layer service

C$)$

The application layer protocol used by secured web application $($HTTPs$)$ is not named as https

D$)$

If you use a web$-$end email login $($login in to your email via web browser$),$ SMTP is the application layer protocol that used to send email from the client computer to the your email server