Multiple choice

Transport layer of TCP/IP model comprises _______ and _______ protocols.

  1. TELNET; SMTP

  2. TCP; IP

  3. TCP; UDP

  4. IP; UDP

  5. TCP; TELNET

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

TCP and UDP are parts of transport layer. TCP is a reliable connection oriented protocol that allows a byte stream originating from one machine to be delivered to the other machine without any error. UDP is an unreliable and connectionless protocol.