$2\mathrm{.}3-4$ Comparing and contrasting HTTP and SMTP $(3).$ Which of the following characteristics apply to both HTTP and SMTP$?$ Note: check one or more of the characteristics below.

Group of answer choices

Has ASCII command$/$response interaction, status codes.

Operates mostly as a $$client push$$ protocol.

Operates mostly as a $$client pull$$ protocol.

Is able to use a persistent TCP connection to transfer multiple objects.

Uses CRLF$.$CRLF to indicate end of message.

Uses a blank line $($CRLF$)$ to indicate end of request header.