Q:
Which layer 4 protocol is used for a Telnet connection?
Answer & Explanation
Answer: C) TCP
Explanation: Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.
View Answer
Report Error
Discuss