Data Link Layer - Definition - Networking

Q.  In OSI Model, from which layer the physical layer translates the logical communication request, where hardware specific operations are to be done?
- Published on 25 Aug 15

a. Transport Layer
b. Application Layer
c. Data Link Layer
d. Network Layer

ANSWER: Data Link Layer

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    Discussion

  • Prajakta Pandit   -Posted on 23 Oct 15

    - The physical layer consists the basic networking hardware transmission technologies of a network.

    - It is a logical data structure of the higher level functions in a network.

    - The physical layer translates the logical communications request from the data link layer into hardware-specific operations that affect transmission of electronic signals

    - The physical layer defines the means of transmitting raw bits rather than logical data packets over a physical link connecting network nodes.

    - The Data link layer is the seventh-layer of the OSI model of computer networking. It provides data transfer across the physical link.

    - In the OSI model, data link layer protocols respond to service requests from the network layer and they perform their function by issuing service requests to the physical layer.

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