Which is not an application layer protocol?
Correct answer: D. TCP
- A. HTTP
- B. SMTP
- C. FTP
- D. TCP
Explanation
TCP (Transmission Control Protocol) - TCP is a transport layer protocol that establishes a connection between two devices and ensures reliable data delivery by breaking down data into segments, handling retransmissions of lost segments, and ordering the segments at the receiver. It operates below the application layer and provides a reliable transport service to applications
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