Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > The data link layer takes the packets from __...
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The data link layer takes the packets from _________ and encapsulates them into frames for transmission.
- a)network layer
- b)physical layer
- c)transport layer
- d)application layer
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
The data link layer takes the packets from _________ and encapsulates ...
Explanation:
The Data Link Layer is the second layer of the OSI Model. Its main responsibility is to take the packets from the Network Layer and encapsulate them into frames for transmission over the physical medium. The frames contain information such as source and destination MAC addresses, error checking bits and sequence numbers.
Functions of Data Link Layer:
The Data Link Layer performs the following functions:
1. Framing: It divides the data received from the Network Layer into frames and adds a header and a trailer to each frame.
2. Error Control: It detects and corrects errors that occur during transmission using techniques like CRC (Cyclic Redundancy Check).
3. Flow Control: It regulates the flow of data between two nodes to prevent congestion.
4. Access Control: It decides which device has access to the physical medium at any given time.
5. MAC Addressing: It assigns a unique MAC address to each device on the network for identification.
Conclusion:
In conclusion, the Data Link Layer takes the packets from the Network Layer and encapsulates them into frames for transmission over the physical medium. It performs functions like framing, error control, flow control, access control and MAC addressing.
The Data Link Layer is the second layer of the OSI Model. Its main responsibility is to take the packets from the Network Layer and encapsulate them into frames for transmission over the physical medium. The frames contain information such as source and destination MAC addresses, error checking bits and sequence numbers.
Functions of Data Link Layer:
The Data Link Layer performs the following functions:
1. Framing: It divides the data received from the Network Layer into frames and adds a header and a trailer to each frame.
2. Error Control: It detects and corrects errors that occur during transmission using techniques like CRC (Cyclic Redundancy Check).
3. Flow Control: It regulates the flow of data between two nodes to prevent congestion.
4. Access Control: It decides which device has access to the physical medium at any given time.
5. MAC Addressing: It assigns a unique MAC address to each device on the network for identification.
Conclusion:
In conclusion, the Data Link Layer takes the packets from the Network Layer and encapsulates them into frames for transmission over the physical medium. It performs functions like framing, error control, flow control, access control and MAC addressing.
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The data link layer takes the packets from _________ and encapsulates them into frames for transmission.a)network layerb)physical layerc)transport layerd)application layerCorrect answer is option 'A'. Can you explain this answer?
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