NSCT -Data Link Layer MCQs

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1. Which layer of the OSI model is responsible for node-to-node delivery of data?





2. The Data Link Layer is which layer in the OSI model?





3. The data unit used in the Data Link Layer is called:





4. Which type of addressing is used in the Data Link Layer?





5. Which device mainly works at the Data Link Layer?





6. The process of dividing data into frames is called:





7. Which technique is commonly used for error detection in the Data Link Layer?





8. The Data Link Layer ensures:





9. Which sublayer of the Data Link Layer controls access to the transmission medium?





10. What does MAC stand for?





11. What does LLC stand for?





12. Flow control in the Data Link Layer is used to:





13. Which topology was originally used in Ethernet networks?





14. Which device forwards frames using MAC addresses?





15. Error control in the Data Link Layer is achieved through:





16. The Data Link Layer is responsible for:





17. Which protocol works at the Data Link Layer?





18. Which error detection method uses a polynomial division technique?





19. Which layer sits between the Physical Layer and the Network Layer?





20. The main purpose of the Data Link Layer is:





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