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Which layer of the OSI model provides transparent transfer of data between end systems and controls the reliability of communications through flow control and error control?
- a)Physical Layer
- b)Data Link Layer
- c)Transport Layer
- d)Presentation Layer
Correct answer is option 'C'. Can you explain this answer?
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Which layer of the OSI model provides transparent transfer of data bet...
The layer that provides transparent transfer of data between end systems and controls the reliability of communications through flow control and error control is the Transport Layer. This layer ensures end-to-end error recovery and flow control. Two well-known transport protocols at this layer are TCP (Transmission Control Protocol) and UDP (User Datagram Protocol).
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Which layer of the OSI model provides transparent transfer of data bet...
Understanding the OSI Model
The OSI (Open Systems Interconnection) model is a framework used to understand and implement network communication across diverse systems. It consists of seven layers, each with specific functions.
Role of the Transport Layer
The Transport Layer is the fourth layer of the OSI model. It is crucial as it ensures the transparent transfer of data between end systems. Here are its main functions:
Conclusion
The Transport Layer is essential for controlling the reliability of communications, ensuring that data is transmitted accurately and efficiently between end systems. This distinguishes it from other layers, such as the Data Link Layer, which focuses on node-to-node data transfer, and the Physical Layer, which deals with the actual transmission medium.
The OSI (Open Systems Interconnection) model is a framework used to understand and implement network communication across diverse systems. It consists of seven layers, each with specific functions.
Role of the Transport Layer
The Transport Layer is the fourth layer of the OSI model. It is crucial as it ensures the transparent transfer of data between end systems. Here are its main functions:
- Reliable Communication: The Transport Layer provides reliability through mechanisms such as acknowledgement of received packets and retransmission of lost packets.
- Flow Control: It manages data transmission between sender and receiver, preventing overwhelming the receiver with too much data at once. This is done using techniques like sliding window protocols.
- Error Control: The layer detects and corrects errors that may occur during data transmission. It uses checksums and sequence numbers to ensure data integrity.
- Segmentation and Reassembly: Data from the application layer is segmented into smaller packets for transmission, and the Transport Layer reassembles these packets at the destination.
- Connection Orientation: It can offer both connection-oriented (TCP) and connectionless (UDP) services, allowing flexibility based on application needs.
Conclusion
The Transport Layer is essential for controlling the reliability of communications, ensuring that data is transmitted accurately and efficiently between end systems. This distinguishes it from other layers, such as the Data Link Layer, which focuses on node-to-node data transfer, and the Physical Layer, which deals with the actual transmission medium.
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Which layer of the OSI model provides transparent transfer of data between end systems and controls the reliability of communications through flow control and error control?a)Physical Layerb)Data Link Layerc)Transport Layerd)Presentation LayerCorrect answer is option 'C'. Can you explain this answer?
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