Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > In the following pairs of OSI protocol layer/...
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In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is
- a)Network layer and Routing
- b)Data Link Layer and Bit synchronization
- c)Transport layer and End-to-end process communication
- d)Medium Access Control sub-layer and Channel sharing
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In the following pairs of OSI protocol layer/sub-layer and its functio...
Answer is B) Data Link Layer & Bit Synchronization.
Because, Data Link Layer is associated with Frame Synchronization, and not Bit Synchronization.
Because, Data Link Layer is associated with Frame Synchronization, and not Bit Synchronization.
Most Upvoted Answer
In the following pairs of OSI protocol layer/sub-layer and its functio...
Explanation:
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a communication system into seven different layers. Each layer has a specific purpose and functionality. The question asks for the incorrect pair of OSI protocol layer/sub-layer and its functionality.
Understanding the options:
a) Network layer and Routing: The network layer is responsible for routing data packets from the source to the destination. This layer determines the best path for data transmission based on the network topology and network conditions.
b) Data Link Layer and Bit synchronization: The data link layer is responsible for the reliable transfer of data between adjacent nodes over a physical link. It ensures error-free and orderly transmission of data frames. Bit synchronization is not a specific functionality of the data link layer.
c) Transport layer and End-to-end process communication: The transport layer is responsible for end-to-end communication between processes running on different hosts. It breaks down the data received from the upper layers into smaller segments and ensures their reliable delivery to the destination process.
d) Medium Access Control sub-layer and Channel sharing: The medium access control (MAC) sub-layer is part of the data link layer and is responsible for controlling access to the shared medium (e.g., Ethernet). It provides mechanisms for multiple devices to share the channel efficiently.
Identifying the incorrect pair:
The incorrect pair is option 'B' - Data Link Layer and Bit synchronization. The data link layer is not responsible for bit synchronization. Bit synchronization is typically handled by the physical layer, which deals with the actual transmission and reception of raw bit streams over the physical medium.
Conclusion:
In summary, the incorrect pair in the given options is 'Data Link Layer and Bit synchronization'. The data link layer is responsible for the reliable transfer of data between adjacent nodes, while bit synchronization is handled by the physical layer.
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a communication system into seven different layers. Each layer has a specific purpose and functionality. The question asks for the incorrect pair of OSI protocol layer/sub-layer and its functionality.
Understanding the options:
a) Network layer and Routing: The network layer is responsible for routing data packets from the source to the destination. This layer determines the best path for data transmission based on the network topology and network conditions.
b) Data Link Layer and Bit synchronization: The data link layer is responsible for the reliable transfer of data between adjacent nodes over a physical link. It ensures error-free and orderly transmission of data frames. Bit synchronization is not a specific functionality of the data link layer.
c) Transport layer and End-to-end process communication: The transport layer is responsible for end-to-end communication between processes running on different hosts. It breaks down the data received from the upper layers into smaller segments and ensures their reliable delivery to the destination process.
d) Medium Access Control sub-layer and Channel sharing: The medium access control (MAC) sub-layer is part of the data link layer and is responsible for controlling access to the shared medium (e.g., Ethernet). It provides mechanisms for multiple devices to share the channel efficiently.
Identifying the incorrect pair:
The incorrect pair is option 'B' - Data Link Layer and Bit synchronization. The data link layer is not responsible for bit synchronization. Bit synchronization is typically handled by the physical layer, which deals with the actual transmission and reception of raw bit streams over the physical medium.
Conclusion:
In summary, the incorrect pair in the given options is 'Data Link Layer and Bit synchronization'. The data link layer is responsible for the reliable transfer of data between adjacent nodes, while bit synchronization is handled by the physical layer.
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In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair isa)Network layer and Routingb)Data Link Layer and Bit synchronizationc)Transport layer and End-to-end process communicationd)Medium Access Control sub-layer and Channel sharingCorrect answer is option 'B'. Can you explain this answer?
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