A network engineer is troubleshooting a connectivity issue between two devices on a local network. Device A uses IP addresses for communication, while Device B relies on hardware addresses. Which layer(s) of the OSI model is/are most likely involved in this issue?1.0 MarksLayers 1 (Physical) and 2 (Data Link) Layers 2 (Data Link) and 3 (Network)Layer 2 (Data Link) onlyAll layers of the OSI model are equally relevantLayers 3 (Network) and 4 (Transport)
Question
A network engineer is troubleshooting a connectivity issue between two devices on a local network. Device A uses IP addresses for communication, while Device B relies on hardware addresses. Which layer(s) of the OSI model is/are most likely involved in this issue?1.0 MarksLayers 1 (Physical) and 2 (Data Link) Layers 2 (Data Link) and 3 (Network)Layer 2 (Data Link) onlyAll layers of the OSI model are equally relevantLayers 3 (Network) and 4 (Transport)
Solution
Layers 2 (Data Link) and 3 (Network) are most likely involved in this issue. Here's why:
The Data Link layer (Layer 2) is responsible for communication between devices on the same network. This layer uses hardware addresses, or MAC addresses, to identify devices. This is the layer that Device B is using.
The Network layer (Layer 3) is responsible for determining the best path to a destination. This layer uses logical addressing, typically IP addresses, to identify devices. This is the layer that Device A is using.
Therefore, since one device is using hardware addresses and the other is using IP addresses, the issue likely lies in the interaction between these two layers.
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