IPv4 and IPv6 is example of protocol for which layer in OSI model?

Question

BlackTom AI · Accepted Answer

Consider the role of IP protocols in networking as you analyze the OSI model mappings.
Option a: Network layer. IP addresses (IPv4 and IPv6) are used to route packets across networks, providing logical addressing and end-to-end delivery. In OSI terms, this corresponds to the Network layer, which handles routing and forwarding. This option aligns with the fundamental function of IP.
Option b: Data link layer. This layer is responsible for node-to-node data transfer over a physical link, including framing, MAC addressing, and error detection on a single link. IP operates above this layer and is not concerned with how a single link transmits frames, so this is not correct for IP protocols.
Option c: Physical layer. The Physical layer covers the transmission media and signals themselves (bits on wires, electrical/optical properties). IP protocols do not deal with electrical signaling or media access methods, so this choice is inaccurate for IP's purpose.
Option d: Presentation layer. The Presentation layer deals with data representation, encryption, and compression. IP does not handle data formatting or presentation concerns, making this option incorrect for IPv4/IPv6 protocols.
In summary, the purpose and placement of IP addressing and routing tasks squarely fit the Network layer, while the other layers describe responsibilities unrelated to IP's core functions.

IPv4 and IPv6 is example of protocol for which layer in OSI model?单项选择题

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