Which of the following TCP/IP application-layer protocols is used for email transmissions?
A) ftp
B) https
C) smtp
D) IP
E) UDP

Question

Quizplus · Accepted Answer

SMTP (Simple Mail Transfer Protocol) is the TCP/IP application-layer protocol used for email transmissions. FTP (File Transfer Protocol) is used for transferring files, HTTPS (Hypertext Transfer Protocol Secure) is used for secure web browsing, IP (Internet Protocol) is a network-layer protocol, and UDP (User Datagram Protocol) is a transport-layer protocol that doesn't provide reliable data transmission like TCP does.

Which of the Following TCP/IP Application-Layer Protocols Is Used for Email