Which layer translates between physical and logical addresses?

  1. the MAC sublayer of the data link layer

  2. transport

  3. physical

  4. network

  5. presentation


Correct Option: D
Explanation:

To solve this question, the user needs to have knowledge of the layers of the OSI model and their functions.

The layer that translates between physical and logical addresses is the network layer. This layer is responsible for routing and forwarding data packets between different networks. The network layer uses logical addresses, such as IP addresses, to identify different hosts on the network. These logical addresses are then translated into physical addresses, such as MAC addresses, by the data link layer. Thus, option D, network, is the correct answer.

Let's go through the other options to explain why they are incorrect:

A. the MAC sublayer of the data link layer: This option is incorrect because the MAC sublayer of the data link layer is responsible for controlling access to the physical network medium and for transmitting data frames between devices on the same network segment. It does not translate between physical and logical addresses.

B. transport: This option is incorrect because the transport layer is responsible for providing reliable data transfer between end systems, such as error recovery and flow control. It does not translate between physical and logical addresses.

C. physical: This option is incorrect because the physical layer is responsible for transmitting raw bit streams over a physical medium, such as copper or fiber optic cables. It does not translate between physical and logical addresses.

E. presentation: This option is incorrect because the presentation layer is responsible for data compression, encryption, and decryption. It does not translate between physical and logical addresses.

Therefore, the answer is: D. network.

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