Multiple choice

Which of following protocols DOESN'T reside at the OSI network layer?

  1. TCP

  2. IPv6

  3. ICMP

  4. IPv4

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

TCP is a transport layer (Layer 4) protocol, not a network layer (Layer 3) protocol. IPv4, IPv6, and ICMP all operate at the network layer.