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Difficulty: EasyOSI Model Layers and Functions

A network technician is configuring a host device and needs to verify its Media Access Control (MAC) address, which is used to uniquely identify the hardware interface on a local network segment. At which layer of the OSI model does MAC addressing function?

  1. Data Link Layer (Layer 2)Answer
  2. B
    Physical Layer (Layer 1)
  3. C
    Network Layer (Layer 3)
  4. D
    Transport Layer (Layer 4)

Answer

Data Link Layer (Layer 2)
The Data Link Layer (Layer 2) is responsible for physical hardware addressing (MAC addresses), framing, and node-to-node communication within a local network segment.

Step-by-Step Solution

1
Identify the type of addressing described in the scenario.
The scenario mentions Media Access Control (MAC) addresses, which provide hardware-level physical addressing on a local network segment.
MAC addresses are burned into network interface cards to identify devices locally.
2
Map MAC addressing to its corresponding OSI model layer.
Physical hardware addressing and framing take place at Layer 2 (Data Link Layer).
Layer 2 provides node-to-node transfer and error detection across a shared physical medium.

Key Concept

OSI Model Data Link Layer Functions
Estimated Time:45s
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Topics

OSI Model Layers and Functions

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