Which of the following is an application layer protocol?
A) VPN
B) SMTP
C) WNIC
D) IEEE

Question

Quizplus · Accepted Answer

SMTP (Simple Mail Transfer Protocol) is an application layer protocol used for email communication. VPN is a network layer protocol, WNIC (Wireless Network Interface Card) is a hardware component, and IEEE (Institute of Electrical and Electronics Engineers) is a professional organization that develops various standards including network protocols.

Which of the Following Is an Application Layer Protocol