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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