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Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
- a)Logical link control sublayer
- b)Media access control sublayer
- c)Network interface control sublayer
- d)None of these
Correct answer is option 'B'. Can you explain this answer?
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Which sublayer of the data link layer performs data link functions th...
The Media Access Control layer is one of two sublayers of the Data Link Control layer and is concerned with sharing the physical connection to the network among several computers. Each computer has its own unique MAC address. Ethernet is an example of a protocol that works at the Media Access Control layer level.
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Which sublayer of the data link layer performs data link functions th...
The correct answer is option B: Media access control sublayer.
Explanation:
The data link layer is the second layer of the OSI model and is responsible for the reliable transfer of data between two adjacent nodes connected by a physical link. It provides a link between the network layer above and the physical layer below. The data link layer is divided into two sublayers: the logical link control (LLC) sublayer and the media access control (MAC) sublayer.
The logical link control (LLC) sublayer is responsible for managing communication between end devices on a network. It provides a reliable link between the network layer and the MAC sublayer. The LLC sublayer handles flow control, error control, and framing.
On the other hand, the media access control (MAC) sublayer is responsible for controlling access to the physical medium and performing data link functions that depend upon the type of medium being used. It deals with the transmission and reception of data frames, collision detection and avoidance, and media access control protocols.
Key points:
- The data link layer is divided into two sublayers: LLC and MAC.
- The LLC sublayer manages communication between end devices.
- The MAC sublayer controls access to the physical medium and performs data link functions specific to the medium.
- The MAC sublayer is responsible for transmission and reception of data frames, collision detection and avoidance, and media access control protocols.
In the given options, the correct answer is option B because the media access control (MAC) sublayer is the sublayer of the data link layer that performs data link functions specific to the type of medium being used.
Explanation:
The data link layer is the second layer of the OSI model and is responsible for the reliable transfer of data between two adjacent nodes connected by a physical link. It provides a link between the network layer above and the physical layer below. The data link layer is divided into two sublayers: the logical link control (LLC) sublayer and the media access control (MAC) sublayer.
The logical link control (LLC) sublayer is responsible for managing communication between end devices on a network. It provides a reliable link between the network layer and the MAC sublayer. The LLC sublayer handles flow control, error control, and framing.
On the other hand, the media access control (MAC) sublayer is responsible for controlling access to the physical medium and performing data link functions that depend upon the type of medium being used. It deals with the transmission and reception of data frames, collision detection and avoidance, and media access control protocols.
Key points:
- The data link layer is divided into two sublayers: LLC and MAC.
- The LLC sublayer manages communication between end devices.
- The MAC sublayer controls access to the physical medium and performs data link functions specific to the medium.
- The MAC sublayer is responsible for transmission and reception of data frames, collision detection and avoidance, and media access control protocols.
In the given options, the correct answer is option B because the media access control (MAC) sublayer is the sublayer of the data link layer that performs data link functions specific to the type of medium being used.
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Which sublayer of the data link layer performs data link functions that depend upon the type of medium?a)Logical link control sublayerb)Media access control sublayerc)Network interface control sublayerd)None of theseCorrect answer is option 'B'. Can you explain this answer?
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