At which of the following OSI model layers would a technician find an IP header?
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A. B. C. D.C.
The OSI (Open Systems Interconnection) model is a conceptual framework used to standardize and describe the functions of a network. The model consists of seven layers, each of which has specific functions and responsibilities in the network communication process.
In the context of IP (Internet Protocol) communication, which is the most common protocol used on the Internet, an IP header is used to contain addressing and control information that is necessary for the transmission of IP packets.
So, to answer the question, an IP header is typically found at layer 3 of the OSI model. Layer 3 is also known as the network layer, and it is responsible for routing and forwarding data between different networks. In the OSI model, layer 3 is where the IP protocol is implemented, and it is responsible for addressing, fragmentation, and reassembly of IP packets.
Therefore, the correct answer to the question is C. Layer 3.