N10-005 · Question #847
Which of the following TCP/IP model layers does the OSI model Data Link layer map to?
The correct answer is D. Network Interface. The TCP/IP model consolidates OSI's seven layers into four: Application, Transport, Internet, and Network Interface. The Network Interface layer (also called Link layer) corresponds to OSI's Layer 1 (Physical) and Layer 2 (Data Link) combined. It handles framing, MAC…
Question
Which of the following TCP/IP model layers does the OSI model Data Link layer map to?
Options
- AApplication
- BTransport
- CInternet
- DNetwork Interface
How the community answered
(36 responses)- A3% (1)
- B6% (2)
- C3% (1)
- D89% (32)
Explanation
The TCP/IP model consolidates OSI's seven layers into four: Application, Transport, Internet, and Network Interface. The Network Interface layer (also called Link layer) corresponds to OSI's Layer 1 (Physical) and Layer 2 (Data Link) combined. It handles framing, MAC addressing, and physical transmission - tasks performed by the Data Link layer in the OSI model. The other TCP/IP layers do not map to the Data Link layer: Application maps to OSI Layers 5–7, Transport maps to OSI Layer 4, and Internet maps to OSI Layer 3 (Network).
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