Which Layer 4 protocol is used for a Telnet connection between two routers?

Q. Which Layer 4 protocol is used for a Telnet connection between two routers?

A

DNS

B

ICMP

C

TCP

D

IP

Solution:

TCP (Transmission Control Protocol) is a standard that defines how to establish and maintain a network conversation via which application programs can exchange data.
TCP works with the Internet Protocol (IP), which defines how computers send packets of data to each other.

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