Which layer of the TCP/IP model controls hardware devices and media

Question

BlackTom AI · Accepted Answer

In the TCP/IP model, the responsibility for interfacing with hardware and the physical media lies with the Network Access layer, also known as the Link layer. This layer encompasses the protocols and technologies used to physically transmit data over a network medium (such as Ethernet, Wi-Fi, ARP, and related hardware addressing).

Option analysis:
- a. Network Access: This choice correctly aligns with the layer that handles hardware devices, network interface cards, physical addressing, and the media itself. It includes access to the network medium and the framing of packets on that medium.

Since there are no additional options provided to compare, there is no alternative layer to evaluate against. However, to understand why other potential layers are not correct in this context: the Application layer handles user-facing services and data presentation; the Transport layer manages end-to-end communication and porting (TCP/UDP); the Internet layer handles logical addressing and routing (IP). None of these manage the hardware interfaces or media controls directly, which is the role of the Network Access (Link) layer.

Note: The prompt lists only one option, so there is no set of competing choices to contrast beyond the given item. The explanation above supports why the provided option aligns with the concept described.

CET-1022-001 - 11727 - 202501 Quiz 2

Which layer of the TCP/IP model controls hardware devices and media

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