Which protocol is NOT implemented in the Network layer of the OSI Protocol Stack?

The correct answer is A. hyper text transport protocol. HTTP (Hypertext Transfer Protocol) operates at OSI Layer 7 - the Application layer - not the Network layer (Layer 3). The other three options all operate at Layer 3: IP (Internet Protocol) is the core Network layer protocol, OSPF (Open Shortest Path First) and RIP (Routing Inform

Submitted by hans_de· Apr 18, 2026Network and Communications Security

Question

Which protocol is NOT implemented in the Network layer of the OSI Protocol Stack?

Options

Ahyper text transport protocol
BOpen Shortest Path First
CInternet Protocol
DRouting Information Protocol

How the community answered

(23 responses)

A
87% (20)
B
4% (1)
D
9% (2)

Explanation

HTTP (Hypertext Transfer Protocol) operates at OSI Layer 7 - the Application layer - not the Network layer (Layer 3). The other three options all operate at Layer 3: IP (Internet Protocol) is the core Network layer protocol, OSPF (Open Shortest Path First) and RIP (Routing Information Protocol) are both routing protocols that function at Layer 3 to determine paths for packet forwarding across internetworks.

Topics

#OSI Model#Network Layer#Network Protocols

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