Question

Which protocol makes a connection, checks whether the data is received, and resends it if it is not?

Answer 1

The protocol makes a connection, checks whether the data is received, and resends it if it is not is TCP/IP.

Answer 2

$\mathfrak{\huge{\blue{\underline{\underline{AnswEr :}}}}}$

» In TCP/IP, the protocol that guarantees packet delivery is TCP (Transmission Control Protocol).

» TCP makes a connection, checks whether the data is received, and resends it if is not.