GPEN · Question #126
Which of the following layers of TCP/IP model is used to move packets between the Internet Layer interfaces of two different hosts on the same link?
The correct answer is B. Link layer. The Link layer of the TCP/IP model handles frame-level delivery between two hosts that share the same physical or logical network link.
Question
Which of the following layers of TCP/IP model is used to move packets between the Internet Layer interfaces of two different hosts on the same link?
Options
- AApplication layer
- BLink layer
- CInternet layer
- DTransport Layer
How the community answered
(55 responses)- A4% (2)
- B75% (41)
- C7% (4)
- D15% (8)
Why each option
The Link layer of the TCP/IP model handles frame-level delivery between two hosts that share the same physical or logical network link.
The Application layer provides end-user protocols such as HTTP, FTP, and DNS and has no role in physical or link-level packet delivery between hosts.
The Link layer (also called the Network Access layer) is the lowest layer of the TCP/IP model and is responsible for transmitting frames between nodes on the same local network segment. It moves packets between the Internet layer interfaces of two hosts on the same link using technologies such as Ethernet, Wi-Fi, and ARP, without involvement from higher layers.
The Internet layer handles logical addressing and routing of packets across different networks, not direct frame delivery between hosts on the same link.
The Transport layer manages end-to-end communication, segmentation, and reliability via TCP or UDP, not link-level frame delivery between adjacent nodes.
Concept tested: TCP/IP model Link layer function and scope
Source: https://www.rfc-editor.org/rfc/rfc1122
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