At which layer of the TCP/IP model would cabling exist?

The correct answer is A. Network Interface. The TCP/IP model has four layers: Application, Transport, Internet, and Network Interface (also called the Link layer). The Network Interface layer corresponds to OSI Layers 1 (Physical) and 2 (Data Link) combined. Physical cabling, connectors, voltages, and signal encoding all…

Networking concepts

Question

Options

ANetwork Interface
BInternet
CApplication
DTransport

How the community answered

(55 responses)

A
87% (48)
B
4% (2)
C
7% (4)
D
2% (1)

Explanation

The TCP/IP model has four layers: Application, Transport, Internet, and Network Interface (also called the Link layer). The Network Interface layer corresponds to OSI Layers 1 (Physical) and 2 (Data Link) combined. Physical cabling, connectors, voltages, and signal encoding all belong to the physical (Layer 1) domain, which in the TCP/IP model falls under Network Interface. The Internet layer handles logical addressing (IP), Transport handles end-to-end delivery (TCP/UDP), and Application handles user-facing protocols.

Topics

#TCP/IP model#Network Interface layer#physical layer#cabling

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