Q14
Which layer 4 protocol is used for a Telnet connection?
A.
IP
B.
TCP
AnswerC.
TCP/IP
D.
UDP
Answer: Option B
Solution
Answer: Option B
Solution:
Although Telnet does use TCP and IP (TCP/IP), the question specifically asks about layer 4, and IP works at layer 3. Telnet uses TCP at layer 4.